CVE-2026-2861CWE-200CWE-284

Foswiki Changes/Viewfile/Oops information disclosure

Medium · published February 21, 2026

CVSS v4.0
6.9
EPSS
1%
Percentile
57.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.9 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00832 · 57.2th percentile
Weaknesses
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor; CWE-284 · Improper Access Control
Published
2026-02-21T06:02Z
EPSS history
Timeline
  • 21 FEB 06:02Z
    Foswiki Changes/Viewfile/Oops information disclosure
    cvelistv5