Vulnerability Description
A vulnerability was detected in Foswiki up to 2.1.10. The affected element is an unknown function of the component Changes/Viewfile/Oops. The manipulation results in information disclosure. It is possible to launch the attack remotely. The exploit is now public and may be used. Upgrading to version 2.1.11 is sufficient to fix this issue. The patch is identified as 31aeecb58b64/d8ed86b10e46. Upgrading the affected component is recommended.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Foswiki | Foswiki | < 2.1.11 |
Related Weaknesses (CWE)
References
- https://foswiki.org/Tasks/Item15600Permissions Required
- https://foswiki.org/Tasks/Item15601Permissions Required
- https://github.com/foswiki/distro/commit/31aeecb58b64Patch
- https://vuldb.com/?ctiid.347101Permissions RequiredVDB Entry
- https://vuldb.com/?id.347101Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.753966Third Party AdvisoryVDB Entry
- http://www.openwall.com/lists/oss-security/2026/03/15/1
- http://www.openwall.com/lists/oss-security/2026/03/16/1
- http://www.openwall.com/lists/oss-security/2026/03/16/3
FAQ
What is CVE-2026-2861?
CVE-2026-2861 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A vulnerability was detected in Foswiki up to 2.1.10. The affected element is an unknown function of the component Changes/Viewfile/Oops. The manipulation results in information disclosure. It is poss...
How severe is CVE-2026-2861?
CVE-2026-2861 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-2861?
Check the references section above for vendor advisories and patch information. Affected products include: Foswiki Foswiki.