CVE-2026-2861

MEDIUM

Foswiki <=2.1.10 - Info Disclosure

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 5.3
EPSS 0.0009
EPSS Percentile 25.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-200 CWE-284
Status published
Products (13)
foswiki/foswiki < 2.1.11
n/a/Foswiki 2.1.0
n/a/Foswiki 2.1.1
n/a/Foswiki 2.1.10
n/a/Foswiki 2.1.11
n/a/Foswiki 2.1.2
n/a/Foswiki 2.1.3
n/a/Foswiki 2.1.4
n/a/Foswiki 2.1.5
n/a/Foswiki 2.1.6
... and 3 more
Published Feb 21, 2026
Tracked Since Feb 21, 2026