CVE-2026-40927: Docmost is open-source collaborative wiki and documentation software. Prior to 0.80.0, when leaving a comment on a…
CVE-2026-40927 · Severity: medium · CVSS 5.4 · Published 2026-04-21
Docmost is open-source collaborative wiki and documentation software. Prior to 0.80.0, when leaving a comment on a page, it is possible to include a JavaScript URI as the link. When a user clicks on the link the JavaScript executes. This vulnerability is fixed in 0.80.0.
No. Junglewise Threat Intelligence has no report of CVE-2026-40927 being exploited in the wild.
How severe is CVE-2026-40927?
Medium severity, with a CVSS score of 5.4, published 21 April 2026.
Which products and versions are affected?
Docmost. The advisory does not name versions.
Is there a fix for CVE-2026-40927?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-40927?
Check whether you run Docmost. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.