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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00035.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a Foswiki affected
Version Status Constraints
2.1.0 affected —
2.1.1 affected —
2.1.2 affected —
2.1.3 affected —
2.1.4 affected —
2.1.5 affected —
2.1.6 affected —
2.1.7 affected —
2.1.8 affected —
2.1.9 affected —
2.1.10 affected —
2.1.11 unaffected —

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://foswiki.org/Tasks/Item15600 cve-icon cve-icon
https://foswiki.org/Tasks/Item15601 cve-icon cve-icon
https://github.com/foswiki/distro/commit/31aeecb58b64 cve-icon cve-icon
https://vuldb.com/?ctiid.347101 cve-icon cve-icon
https://vuldb.com/?id.347101 cve-icon cve-icon
https://vuldb.com/?submit.753966 cve-icon cve-icon
History

Sat, 21 Feb 2026 06:15:00 +0000

Type Values Removed Values Added
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.
Title Foswiki Changes/Viewfile/Oops information disclosure
Weaknesses CWE-200
CWE-284
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C'}

cvssV4_0

{'score': 6.9, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-02-21T06:02:07.609Z

Reserved: 2026-02-20T14:07:22.958Z

Link: CVE-2026-2861

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-02-21T06:17:01.897

Modified: 2026-02-21T06:17:01.897

Link: CVE-2026-2861

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses