🛡️ CVE-2026-2861 — foswiki

🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-200 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

Weakness class

CVE-2026-2861 is classified as CWE-200: Exposure of Sensitive Information. Information that should stay internal is disclosed to someone who is not authorised to see it.

Affected software

CVE-2026-2861 is recorded against 1 package.

  • foswiki (fixed in 2.1.11)

Timeline and source

Published on 21 February 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

foswiki.org
foswiki.org
github.com
vuldb.com
vuldb.com
vuldb.com
www.openwall.com
www.openwall.com
www.openwall.com

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE CWE-200
Public Exploit ✅ No
Source NVD
Published 2026-02-21
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
foswiki — 2.1.11

Similar Threats

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