CVE-2026-2861

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.

• CWE-200
• CWE-284

• https://foswiki.org/Tasks/Item15600Permissions Required
• https://foswiki.org/Tasks/Item15601Permissions Required
• https://github.com/foswiki/distro/commit/31aeecb58b64Patch
• https://vuldb.com/?ctiid.347101Permissions Required, VDB Entry
• https://vuldb.com/?id.347101Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.753966Third Party Advisory, VDB 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

Published

Feb 21, 2026

Last Modified

Jun 17, 2026

Status

Modified

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