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Vulnerabilities

Vulnerability · CVE-2026-34213

Docmost is open-source collaborative wiki and documentation software.

Published Apr 14, 2026 · catalog updated Jul 24, 2026 · Docmost is open-source collaborative

Check if you run it

No confirmed exploitation is on record for CVE-2026-34213. EPSS is 0.29%. Act only if a listed version of Docmost is open-source collaborative is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Docmost is open-source collaborative).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.29%
Remediation
Advisory link
Affected products
cpe docmost/docmost

Docmost is open-source collaborative wiki and documentation software. Starting in version 0.3.0 and prior to version 0.71.0, improper authorization in Docmost allows a low-privileged authenticated user to overwrite another page's attachment within the same workspace by supplying a victim to . This is a remote integrity issue requiring no victim interaction. Version 0.71.0 contains a patch.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe docmost/docmostversion unspecified

How to fix CVE-2026-34213

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-34213. EPSS is 0.29%. Act only if a listed version of Docmost is open-source collaborative is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-639: Authorization Bypass Through User-Controlled Key. EPSS 0.29%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 14, 2026 · NIST NVD

    Detected

    Docmost is open-source collaborative wiki and documentation software. Starting in version 0.3.0 and prior to version 0.71.0, improper authorization in Docmost allows a low-privileged authenticated user to overwrite another page's attachment within the same workspace by supplying a victim to . This is a remote integrity issue requiring no victim interaction. Version 0.71.0 contains a patch.

  2. Jul 24, 2026 · NIST NVD

    Updated

    Docmost is open-source collaborative wiki and documentation software. Starting in version 0.3.0 and prior to version 0.71.0, improper authorization in Docmost allows a low-privileged authenticated user to overwrite another page's attachment within the same workspace by supplying a victim to . This is a remote integrity issue requiring no victim interaction. Version 0.71.0 contains a patch.

Sources

  • CVE.orgVulnerability recordCVE-2026-34213

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-34213

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-34213

    Docmost is open-source collaborative wiki and documentation software. Starting in version 0.3.0 and prior to version 0.71.0, improper authorization in Docmost allows a low-privileged authenticated user to overwrite another page's attachment within the same workspace by supplying

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.