CVE-2026-2861

Medium

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.

SeverityMedium

CVSS5.3

Exploit probability—

Product

Foswiki

PublishedFeb 21, 2026

First seenFeb 21, 2026

Weakness typeCWE-200Sensitive information exposure CWE-284Improper access control

How to fix

Update

foswiki foswiki2.1.11 or later

Patches

github.com/foswiki/distro/commit/31aeecb58b64

Affected products

Product	Affected versions	Fixed in
foswiki foswiki	v < 2.1.11	2.1.11

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