@plone/volto vulnerable to potential DoS by invoking specific URL by anonymous user
Impact
When visiting a specific URL, an anonymous user could cause the NodeJS server part of Volto to quit with an error.
Patches
The problem has been patched and the patch has been backported to Volto major versions down until 16. It is advised to upgrade to the latest patch release of your respective current major version:
- Volto 16: 16.34.1
- Volto 17: 17.22.2
- Volto 18: 18.27.2
- Volto 19: 19.0.0-alpha6
Workarounds
Make sure your setup automatically restarts processes that quit with an error. This won't prevent a crash, but it minimises downtime.
Report
The problem was discovered by FHNW, a client of Plone provider kitconcept, who shared it with the Plone Zope Security Team (security@plone.org).
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | @plone/volto | < 16.34.1, >= 17.0.0, < 17.22.2, >= 18.0.0, < 18.27.2, >= 19.0.0-alpha.1, < 19.0.0-alpha.6 | 16.34.1, 17.22.2, 18.27.2, 19.0.0-alpha.6 |
References
- https://github.com/plone/volto/security/advisories/GHSA-m8rj-ppph-mj33
- https://nvd.nist.gov/vuln/detail/CVE-2025-61668
- https://github.com/plone/volto/pull/7412
- https://github.com/plone/volto/pull/7413
- https://github.com/plone/volto/commit/58d9f82d2d50ca9a87edbe16fed91762e57c109c
- https://github.com/plone/volto
- https://github.com/plone/volto/releases/tag/16.34.1
- https://github.com/plone/volto/releases/tag/17.22.2
- https://github.com/plone/volto/releases/tag/19.0.0-alpha.6
- http://github.com/plone/volto/releases/tag/18.27.2
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N- Weakness (CWE)
CWE-476, CWE-754- Platform
- npm
- Package
@plone/volto- Disclosed
- 01.10.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-m8rj-ppph-mj33 - CC BY 4.0
Vulnerability history: @plone/volto
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 03.2022 10.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 2
- Medium 1
Disclosures per year
- 2022: 1
- 2023: 0
- 2024: 0
- 2025: 2
- 2026: 0
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