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CVE-2026-2861

Foswiki Changes/Viewfile/Oops information disclosure

Published: Feb 21, 2026Updated: Feb 26, 2026 Sources: CVE List NVDCWE-200
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.5%
Top 64.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-200CWE-284NVD-CWE-noinfo

Affected Products

Foswikin/a
foswikifoswiki
On-prem
Web & CMS Plugins / cms-core
foswikioss-projectWeb & CMS Pluginsaka foswiki.org

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
View detailed technique mapping

References

https://vuldb.com/?id.347101
vuldb.com
https://vuldb.com/?ctiid.347101
vuldb.com
https://vuldb.com/?submit.753966
vuldb.com
and 3 more references View all →

Timeline

Published
Feb 21, 2026
Last Updated
Feb 26, 2026

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