Medium

Apollo Portal: There is a risk of unauthorized access to the Apollo configuration center

  • Disclosed: 13.07.2026
  • Updated: 11.10.2026 12:22

Summary

Apollo Portal versions before 2.5.0 do not verify application and namespace permissions when an authenticated user requests a release by ID through GET /envs/{env}/releases/{releaseId}.

When configView.memberOnly.envs is enabled for the requested environment, a low-privileged Portal user can supply a valid release ID belonging to an application or namespace they are not authorized to view. The endpoint returns the release data without calling UserPermissionValidator.shouldHideConfigToCurrentUser(...).

Impact

An authenticated attacker who obtains or guesses a valid release ID can read configuration data from other applications and namespaces. Exposed configuration may contain sensitive values such as credentials or service endpoints. The issue does not allow configuration modification and does not directly affect availability.

Affected versions

Apollo Portal versions earlier than 2.5.0 are affected when configView.memberOnly.envs is enabled.

Patches

The issue is fixed in Apollo 2.5.0. The fix adds the missing application and namespace permission check before returning release data.

Workarounds

Upgrade to Apollo 2.5.0 or later. If an immediate upgrade is not possible, backport the permission check from PR #5378 and restrict Apollo Portal access to trusted users until the fix is deployed.

Credits

Apollo Portal thanks @lesignals for reporting this issue.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) com.ctrip.framework.apollo:apollo all versions no fix

References

CVSS score 6.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-639, CWE-862
Platform
Java / Kotlin (Maven)
Package
com.ctrip.framework.apollo:apollo
Disclosed
13.07.2026
Updated
11.10.2026 12:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-jxpj-9j24-w337 - CC BY 4.0

Vulnerability history: com.ctrip.framework.apollo:apollo

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

Total entries
7
First → latest
04.2019 07.2026
Without a fix
4
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 3
  • Medium 3

Disclosures per year

  1. 2019: 1
  2. 2020: 0
  3. 2021: 0
  4. 2022: 0
  5. 2023: 2
  6. 2024: 1
  7. 2025: 0
  8. 2026: 3
  1. Apollo Portal: There is a risk of unauthorized access to the Apollo configuration center this entry
    Medium · 6.5 CVE-2025-32781 all versions no fix
  2. Medium · 4.3 CVE-2024-43397 < 2.3.0 2.3.0
  3. High · 7.5 CVE-2023-25570 < 2.1.0 2.1.0
  4. Medium · 5.7 CVE-2023-25569 < 2.1.0 2.1.0
  5. Critical · 10.0 CVE-2019-10686 <= 1.3.0 no fix

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