CVE-2025-61668: plone volto · NULL Pointer Dereference
Affects plone voltoSource CVE Database V5
Not known to be exploited · CVSS 8.7 High : upgrade to 16.34.1 soon.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 16.34.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 2 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Upgrade plone volto to 16.34.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| plone volto | Affected
| Fixed in
|
AI-suggested
European organizations should immediately identify all Plone CMS instances using the Volto frontend and verify their version numbers. Systems running affected versions should be upgraded without delay to the fixed releases: 16.34.1, 17.22.2, 18.27.2, or 19.0.0-alpha.6, depending on their current version branch. Network-level mitigations such as web application firewalls (WAFs) can be configured to detect and block suspicious URL patterns that may trigger the crash, although this is a temporary measure. Monitoring server logs for unexpected crashes or error messages related to Volto can help detect attempted exploitation. Organizations should also implement robust incident response plans to quickly restore service availability if an attack occurs. Regular backups and failover mechanisms for the CMS frontend can minimize downtime impact. Finally, maintaining an up-to-date asset inventory and vulnerability management program will help prevent similar issues in the future.
Description
Volto is a ReactJS-based frontend for the Plone Content Management System. Versions 16.34.0 and below, 17.0.0 through 17.22.1, 18.0.0 through 18.27.1, and 19.0.0-alpha.1 through 19.0.0-alpha.5, an anonymous user could cause the NodeJS server part of Volto to quit with an error when visiting a specific URL. This issue is fixed in versions 16.34.1, 17.22.2, 18.27.2 and 19.0.0-alpha.6.
References
- github.com/plone/volto/security/advisories/GHSA-m8rj-ppph-mj33 (opens in a new tab)
- github.com/plone/volto/pull/7412 (opens in a new tab)
- github.com/plone/volto/pull/7413 (opens in a new tab)
- github.com/plone/volto/commit/58d9f82d2d50ca9a87edbe16fed91762e57c109c (opens in a new tab)
- github.com/plone/volto/releases/tag/16.34.1 (opens in a new tab)
- github.com/plone/volto/releases/tag/17.22.2 (opens in a new tab)
- github.com/plone/volto/releases/tag/19.0.0-alpha.6 (opens in a new tab)
- github.com/plone/volto/releases/tag/18.27.2 (opens in a new tab)