Is github.com/mattermost/mattermost-plugin-boards affected by CVE-2026-2461?

Go github.com/mattermost/mattermost-plugin-boards is affected in <0.0.0-20260108044135-57c5be5b6ef5.

Is CVE-2026-2461 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

medium

CVE-2026-2461

Q: Is CVE-2026-2461 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

Go · github.com/mattermost/mattermost-plugin-boards

Summary

Mattermost Boards Plugin fails to implement authorisation checks on comment block modifications in github.com/mattermost/mattermost-plugin-boards

Severity: medium
EPSS: 0.2% (p6)
Also known as: GHSA-hf8w-x9h5-5gf9, GO-2026-4782
Published: 2026-03-23

References

https://github.com/advisories/GHSA-hf8w-x9h5-5gf9
https://nvd.nist.gov/vuln/detail/CVE-2026-2461
https://github.com/mattermost/mattermost-plugin-boards/commit/57c5be5b6ef59d02dd72e35094d1fae8ba6e9619

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.