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High

OpenClaw: MCP Streamable HTTP redirects could forward configured custom headers to another origin

  • Disclosed: 17.06.2026
  • Updated: 11.10.2026 10:22

Summary

OpenClaw supports remote MCP Streamable HTTP servers with operator-configured custom headers. In affected releases, those headers could be forwarded when the MCP endpoint responded with a cross-origin redirect.

This issue is limited to configured MCP Streamable HTTP servers that use custom headers. It does not expose unrelated OpenClaw credentials.

Affected configurations

This affects deployments where an MCP server is configured with:

  • transportType: "streamable-http"
  • sensitive custom headers under mcp.servers.*.headers
  • an MCP endpoint that is malicious, compromised, or able to redirect to another origin

Impact

Custom MCP headers, such as API keys or tenant-routing headers, could be sent to the redirect target. The exposed credential scope depends on the header the operator configured for that MCP server.

Patched Versions

The first stable patched version is 2026.5.12.

Mitigations

Upgrade to openclaw@2026.5.8 or later. Before upgrading, avoid custom MCP headers with servers you do not fully trust, and rotate any MCP-specific credentials that may have been exposed by a redirecting endpoint.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package openclaw < 2026.5.12 2026.5.12

References

CVSS score 7.1/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Weakness (CWE)
CWE-200
Platform
npm
Package
openclaw
Disclosed
17.06.2026
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-rjxq-qqhf-8hwh - CC BY 4.0

Vulnerability history: openclaw

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (589) in the archive
Total entries
589
First → latest
02.2026 10.2026
Without a fix
9
Exploited in attacks
0

Severity breakdown

  • Critical 20
  • High 215
  • Medium 300
  • Low 54

Disclosures per year

Severity:
  1. OpenClaw: Native command authorization could skip owner-command enforcement
    High CVE-2026-53828 < 2026.5.6 2026.5.6
  2. OpenClaw: PowerShell encoded-command aliases could miss exec allowlist checks
    High · 8.8 CVE-2026-53836 < 2026.5.12 2026.5.12
  3. OpenClaw: Trusted retry endpoint checks could match hostname prefixes
    High CVE-2026-53839 < 2026.5.7 2026.5.7
  4. OpenClaw: Telegram interactive callbacks could skip commands.allowFrom
    High CVE-2026-53807 < 2026.5.6 2026.5.6
  5. OpenClaw: Matrix allowFrom could bind to mutable display names
    High · 8.8 CVE-2026-53811 < 2026.5.7 2026.5.7
  6. OpenClaw: Paired nodes could forge exec lifecycle events without system.run provenance
    High · 7.2 CVE-2026-53816 < 2026.5.18 2026.5.18
  7. OpenClaw: Combined POSIX shell options could confuse exec revalidation
    High · 8.8 CVE-2026-53806 < 2026.5.12 2026.5.12
  8. OpenClaw: Fake package roots could influence memory-core artifact loading
    High · 7.8 CVE-2026-53813 < 2026.4.25 2026.4.25
  9. OpenClaw: Workspace .env could override Homebrew executable selection for skill install flows
    High · 8.8 CVE-2026-53819 < 2026.5.27 2026.5.27
  10. OpenClaw: QQBot pre-dispatch slash commands could skip allowFrom checks
    High · 7.5 CVE-2026-53834 < 2026.4.27 2026.4.27
  11. OpenClaw: Non-owner chat senders could issue device-pairing bootstrap codes
    High · 8.3 CVE-2026-32905 < 2026.5.4 2026.5.4
  12. OpenClaw: QQBot admin commands could skip DM-only and allowFrom policy
    Critical CVE-2026-34507 < 2026.4.29 2026.4.29
  13. OpenClaw: Trusted-proxy Control UI WebSocket accepted client-declared scopes before pairing
    High · 8.8 CVE-2026-53821 < 2026.5.18 2026.5.18
  14. OpenClaw: Slack allowFrom could bind to mutable display names
    High CVE-2026-53823 < 2026.5.3 2026.5.3
  15. OpenClaw: QQBot streaming command could mutate config without explicit allowFrom
    High · 7.7 CVE-2026-53833 < 2026.4.29 2026.4.29
  16. OpenClaw: Scoped chat.send route inheritance could bypass admin command scope gates
    High · 8.8 CVE-2026-35674 < 2026.5.18 2026.5.18
  17. OpenClaw's POSIX node system.run safe-bin allowlist could be widened by shell expansion
    High · 7.1 CVE-2026-53831 < 2026.5.18 2026.5.18
  18. OpenClaw: QQBot native approval buttons did not enforce configured approver identity
    High · 8.0 CVE-2026-35630 < 2026.5.18 2026.5.18
  19. OpenClaw: Hook-triggered CLI runs could receive owner MCP tool authority
    High · 8.4 CVE-2026-53814 < 2026.5.20 2026.5.20
  20. OpenClaw: Control UI locality spoofing could mint a durable admin device token
    High · 8.0 CVE-2026-53817 < 2026.5.22 2026.5.22
  21. OpenClaw: Same-host trusted-proxy deployments could accept local forged identity headers
    High · 7.7 CVE-2026-53832 < 2026.5.18 2026.5.18
  22. OpenClaw's marketplace runtime extension metadata could point at unscanned payloads
    High · 8.8 CVE-2026-53810 < 2026.5.18 2026.5.18
  23. OpenClaw: Shell wrapper argv could change between approval and execution
    High CVE-2026-53822 < 2026.5.18 2026.5.18
  24. OpenClaw: Exec approval display truncation could hide the command being approved
    High · 8.0 CVE-2026-53829 < 2026.5.18 2026.5.18
  25. OpenClaw: Message read actions could skip channel allowlist checks
    High · 6.5 CVE-2026-53815 < 2026.5.19 2026.5.19
  26. OpenClaw: Workspace-derived service PATH could influence trash command selection
    High · 7.1 CVE-2026-53865 < 2026.5.2 2026.5.2
  27. OpenClaw: Workspace .env STATE_DIRECTORY could influence bundled runtime dependency roots
    High · 7.1 CVE-2026-53858 < 2026.5.2 2026.5.2
  28. OpenClaw: Discord allowFrom could bind to mutable display names
    High · 8.1 CVE-2026-53849 < 2026.5.7 2026.5.7
  29. OpenClaw: Workspace .env npm_execpath could influence bundled runtime dependency install
    High · 7.1 CVE-2026-53846 < 2026.4.29 2026.4.29
  30. OpenClaw: Linux and macOS exec allowlists skipped configured argument patterns
    High · 7.1 CVE-2026-53853 < 2026.5.12 2026.5.12
  31. OpenClaw: Zalo allowFrom could bind to mutable display names
    High · 8.1 CVE-2026-53857 < 2026.5.3 2026.5.3
  32. OpenClaw: Shell positional parameters could weaken strict inline-eval checks
    High · 8.1 CVE-2026-53855 < 2026.4.2 2026.4.2
  33. OpenClaw: Workspace .env CLOUDSDK_PYTHON could influence Gmail setup gcloud execution
    High · 7.1 CVE-2026-53842 < 2026.5.2 2026.5.2
  34. OpenClaw: Shell inline-command parsing could miss an allowlist check
    High · 8.1 CVE-2026-53866 < 2026.5.12 2026.5.12
  35. OpenClaw: Pairing-scoped device session could restore revoked node token authority
    High · 8.8 CVE-2026-53843 < 2026.5.26 2026.5.26
  36. OpenClaw: Host environment sanitizer missed two Node.js control variables
    High · 8.1 CVE-2026-53864 < 2026.5.26 2026.5.26
  37. OpenClaw: MCP Streamable HTTP redirects could forward configured custom headers to another origin this entry
    High · 7.1 CVE-2026-53840 < 2026.5.12 2026.5.12
  38. OpenClaw's gateway config mutation guard allowed unsafe model-driven config writes
    High · 8.8 CVE-2026-45006 < 2026.4.23 2026.4.23
  39. OpenClaw vulnerable to arbitrary code execution via attacker-controlled setup-api.js loaded from cwd during env-key resolution
    High · 7.8 CVE-2026-45004 < 2026.4.23 2026.4.23
  40. OpenClaw: MCP loopback owner context is derived from server-issued bearer tokens
    High · 7.8 CVE-2026-44118 < 2026.4.22 2026.4.22
  41. OpenClaw: Workspace dotenv could override runtime-control environment variables
    High · 7.8 CVE-2026-44114 < 2026.4.20 2026.4.20
  42. OpenClaw: Feishu webhook and card-action validation now fail closed
    Critical · 9.8 CVE-2026-44109 < 2026.4.15 2026.4.15
  43. OpenClaw: Gateway HTTP endpoints re-resolve bearer auth after SecretRef rotation
    Critical · 8.1 CVE-2026-43585 < 2026.4.15 2026.4.15
  44. OpenClaw: QQBot media tags could read arbitrary local files through reply text
    High CVE-2026-43533 < 2026.4.10 2026.4.10
  45. OpenClaw: busybox and toybox applet execution weakened exec approval binding
    High · 8.8 CVE-2026-43530 >= 2026.2.23, < 2026.4.12 2026.4.12
  46. OpenClaw: Matrix profile config persistence was reachable from operator.write message tools
    High · 6.5 CVE-2026-42433 < 2026.4.10 2026.4.10
  47. OpenClaw: Sandboxed agents could escape exec routing via host=node override
    High · 8.8 CVE-2026-42434 >= 2026.4.5, < 2026.4.10 2026.4.10
  48. OpenClaw: Workspace provider auth choices could auto-enable untrusted provider plugins
    High · 8.8 CVE-2026-43569 < 2026.4.9 2026.4.9
  49. OpenClaw: Sandbox browser CDP relay could expose DevTools protocol on 0.0.0.0
    High CVE-2026-43581 < 2026.4.10 2026.4.10
  50. OpenClaw: Channel setup catalog lookups could include untrusted workspace plugin shadows
    High · 8.8 CVE-2026-43571 < 2026.4.10 2026.4.10
  51. OpenClaw: Exec environment denylist missed high-risk interpreter startup variables
    High · 8.8 CVE-2026-43584 < 2026.4.10 2026.4.10
  52. OpenClaw: Voice-call realtime WebSocket accepted oversized frames
    High · 7.5 CVE-2026-42437 >= 2026.4.9, < 2026.4.10 2026.4.10
  53. OpenClaw: config.get redaction bypass through sourceConfig and runtimeConfig aliases
    High CVE-2026-43528 < 2026.4.14 2026.4.14
  54. OpenClaw: `fetchWithSsrFGuard` replays unsafe request bodies across cross-origin redirects
    High CVE-2026-40037 < 2026.4.8 2026.4.8
  55. OpenClaw: Node Pairing Reconnect Command Escalation Bypasses operator.admin Scope Requirement
    High · 7.8 CVE-2026-42432 < 2026.4.8 2026.4.8
  56. OpenClaw: HGRCPATH, CARGO_BUILD_RUSTC_WRAPPER, RUSTC_WRAPPER, and MAKEFLAGS missing from exec env denylist — RCE via build tool env injection (GHSA-cm8v-2vh9-cxf3 class)
    High CVE-2026-42427 < 2026.4.8 2026.4.8
  57. OpenClaw: Authenticated `/hooks/wake` and mapped `wake` payloads are promoted into the trusted `System:` prompt channel
    High ghsa-jf56-mccx-5f3f < 2026.4.8 2026.4.8
  58. OpenClaw: Lower-trust background runtime output is injected into trusted `System:` events, and local async exec completion misses the intended `exec-event` downgrade
    High ghsa-gfmx-pph7-g46x < 2026.4.8 2026.4.8
  59. OpenClaw: Gateway operator.write Can Reach Admin-Class Telegram Config and Cron Persistence via send
    High · 7.1 CVE-2026-41359 < 2026.3.28 2026.3.28
  60. OpenClaw Has Incomplete Fix for CVE-2026-4039: CLI Backend Environment Variable Injection via Workspace Config
    High · 7.8 CVE-2026-41384 < 2026.3.24 2026.3.24
  61. OpenClaw: Gemini OAuth exposed the PKCE verifier through the OAuth state parameter
    High CVE-2026-34511 < 2026.4.2 2026.4.2
  62. OpenClaw: macOS Tailnet DNS Spoofing & Credential Exfiltration
    High CVE-2026-41393 < 2026.3.31 2026.3.31
  63. OpenClaw: Unbound bootstrap setup codes allow privilege escalation during pairing
    High · 9.8 CVE-2026-41386 < 2026.3.22 2026.3.22
  64. OpenClaw: Node browser proxy `allowProfiles` bypass through persistent profile mutation and runtime profile selection
    High CVE-2026-41353 < 2026.3.22 2026.3.22
  65. OpenClaw: Paired node escalates to gateway RCE via unrestricted node.event agent dispatch
    High · 8.8 CVE-2026-41378 < 2026.3.31 2026.3.31
  66. OpenClaw: Sandbox escape via TOCTOU race in remote FS bridge readFile
    Critical · 8.2 CVE-2026-41296 < 2026.3.31 2026.3.31
  67. OpenClaw: Host exec environment sanitization misses package, registry, Docker, compiler, and TLS override variables
    High · 6.5 CVE-2026-41369 < 2026.3.31 2026.3.31
  68. OpenClaw: Incomplete scope-clearing fix allows operator.admin escalation via trusted-proxy auth mode
    High CVE-2026-41404 < 2026.3.31 2026.3.31
  69. OpenClaw: Agentic Consent Bypass — LLM Agent Can Silently Disable Exec Approval via `config.patch`
    High CVE-2026-41349 < 2026.3.28 2026.3.28
  70. OpenClaw: Incomplete host-env-security-policy allows untrusted model to substitute compiler binaries via env overrides
    High · 6.1 CVE-2026-41373 < 2026.3.31 2026.3.31
  71. OpenClaw: Device-Paired Node Skips Node Scope Gate → Host RCE.md
    High · 8.8 CVE-2026-41352 < 2026.3.31 2026.3.31
  72. OpenClaw: MS Teams webhook parses body before JWT validation, enabling unauthenticated resource exhaustion
    High · 7.5 CVE-2026-41405 < 2026.3.31 2026.3.31
  73. OpenClaw: Self-Whitelisting in appendLocalMediaParentRoots Allows Arbitrary File Read & Credential Exfiltration
    High CVE-2026-41366 < 2026.3.31 2026.3.31
  74. OpenClaw: OpenShell Mirror Sync — Sandbox Escape via Unrestricted File Sync + Symlink Traversal
    High · 9.6 CVE-2026-41397 < 2026.3.31 2026.3.31
  75. OpenClaw: Workspace `.env` can override the bundled plugin trust root
    High · 7.8 CVE-2026-41396 < 2026.3.31 2026.3.31
  76. OpenClaw: SSH sandbox tar upload follows symlinks, enabling arbitrary file write on remote host
    High · 8.1 CVE-2026-41364 < 2026.3.31 2026.3.31
  77. OpenClaw: Workspace `.env` can override the bundled hooks root and load attacker hook code
    High · 7.8 CVE-2026-41336 < 2026.3.31 2026.3.31
  78. OpenClaw: Heartbeat context inheritance bypasses sandbox via senderIsOwner escalation
    Critical CVE-2026-41329 < 2026.3.31 2026.3.31
  79. OpenClaw: PIP_INDEX_URL and UV_INDEX_URL bypass host exec env sanitization and redirect Python package-index traffic
    High · 5.3 CVE-2026-41391 < 2026.3.31 2026.3.31
  80. OpenClaw has a CWD `.env` environment variable injection which bypasses host-env policy and allows config takeover
    Critical · 9.6 CVE-2026-41294 < 2026.3.28 2026.3.28
  81. OpenClaw gateway exec allow-always over-trusts positional carrier executables
    High · 7.3 CVE-2026-41380 < 2026.3.28 2026.3.28
  82. OpenClaw Gateway `operator.write` can reach admin-only session reset via `chat.send` `/reset`
    High CVE-2026-41371 < 2026.3.28 2026.3.28
  83. OpenClaw has a gateway exec allowlist allow-always bypass via unregistered /usr/bin/script wrapper
    High · 7.3 CVE-2026-41390 < 2026.3.28 2026.3.28
  84. OpenClaw's incomplete host env sanitization blocklist allows supply-chain redirection via package-manager env overrides
    High · 9.6 CVE-2026-41387 < 2026.3.22 2026.3.22
  85. OpenClaw: Gateway chat.send ACP-only provenance guard could be bypassed by client identity spoofing
    High CVE-2026-41299 < 2026.3.28 2026.3.28
  86. OpenClaw safeBins jq `$ENV` filter bypass allows environment variable disclosure
    High · 7.7 CVE-2026-41368 < 2026.3.28 2026.3.28
  87. OpenClaw's message tool media parameter bypasses tool policy filesystem isolation
    High · 6.2 CVE-2026-33581 < 2026.3.24 2026.3.24
  88. OpenClaw: Discord text `/approve` bypasses `channels.discord.execApprovals.approvers` and allows non-approvers to resolve pending exec approvals
    High · 8.8 CVE-2026-41303 < 2026.3.28 2026.3.28
  89. OpenClaw's device removal and token revocation do not terminate active WebSocket sessions
    High · 7.5 CVE-2026-34503 < 2026.3.28 2026.3.28
  90. OpenClaw: CLI Remote Onboarding Persists Unauthenticated Discovery Endpoint and Exfiltrates Gateway Credentials
    High · 7.3 CVE-2026-41342 < 2026.3.28 2026.3.28
  91. OpenClaw: /pair approve command path omitted caller scope subsetting and reopened device pairing escalation
    Critical CVE-2026-33579 < 2026.3.28 2026.3.28
  92. OpenClaw: Voice-call Plivo V3 webhook replay key uses unsorted URL, allowing replay via query-parameter reordering
    High CVE-2026-41395 < 2026.3.28 2026.3.28
  93. OpenClaw: `browser.request` still allows `POST /reset-profile` through the `operator.write` surface
    High · 8.1 CVE-2026-35653 < 2026.3.24 2026.3.24
  94. OpenClaw: Gateway operator.write Can Reach Admin-Class Channel Allowlist Persistence via chat.send
    High CVE-2026-35621 < 2026.3.24 2026.3.24
  95. OpenClaw has an Arbitrary Malicious Code Execution Vulnerability
    High · 8.6 CVE-2026-35641 < 2026.3.24 2026.3.24
  96. OpenClaw has Sandbox Media Root Bypass via Unnormalized `mediaUrl` / `fileUrl` Parameter Keys (CWE-22)
    High · 7.7 CVE-2026-35668 < 2026.3.24 2026.3.24
  97. OpenClaw: SSRF via Unguarded Configured Base URLs in Multiple Channel Extensions (Incomplete Fix for CVE-2026-28476)
    High CVE-2026-35629 < 2026.3.28 2026.3.28
  98. OpenClaw: `session_status` sessionId resolution bypasses sandboxed session-tree visibility
    High CVE-2026-35636 >= 2026.3.11, < 2026.3.28 2026.3.28
  99. OpenClaw: Gateway Plugin HTTP Auth Grants Unrestricted operator.admin Runtime Scope to All Callers
    High CVE-2026-35669 <= 2026.3.24 no fix
  100. OpenClaw: Silent privilege escalation via gateway shared-auth reconnect
    Critical CVE-2026-35625 <= 2026.3.24 no fix
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