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CVE-2026-2861

5.3 · MEDIUM

A vulnerability was detected in Foswiki up to 2.1.10.

Published Feb 21, 2026CWE-200EPSS 0.76%

Overview

CVE-2026-2861 is a medium-severity vulnerability. It was published on February 21, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reffoswiki.org/Tasks/Item15600Reffoswiki.org/Tasks/Item15601GitHubgithub.com/foswiki/distro/commit/31aeecb58b64Refvuldb.com/?ctiid.347101Refvuldb.com/?id.347101Refvuldb.com/?submit.753966Refwww.openwall.com/lists/oss-security/2026/03/15/1Refwww.openwall.com/lists/oss-security/2026/03/16/1Refwww.openwall.com/lists/oss-security/2026/03/16/3

How CyberStrike helps

Frequently asked questions

What is CVE-2026-2861?

CVE-2026-2861 is a medium-severity vulnerability. It was published on February 21, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-2861?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-2861?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-2861?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-2861 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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