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Vulnerabilities

Vulnerability · CVE-2026-25764

OpenProject is an open-source, web-based project management software.

Published Feb 6, 2026 · catalog updated Feb 9, 2026 · OpenProject is an open-source,

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-25764. EPSS is 0.27%. Act only if a listed version of OpenProject is an open-source, is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (OpenProject is an open-source,).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Low3.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.27%
Remediation
Version ranges on file
Affected products
vendor opf openproject < 16.6.7

OpenProject is an open-source, web-based project management software. Prior to versions 16.6.7 and 17.0.3, an HTML injection vulnerability occurs in the time tracking function of OpenProject. The application does not escape HTML tags, an attacker with administrator privileges can create a work package with the name containing the HTML tags and add it to the Work package section when creating time tracking. This issue has been patched in versions 16.6.7 and 17.0.3.

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.

  • vendor opf openproject < 16.6.7< 16.6.7

How to fix CVE-2026-25764

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-2026-25764. EPSS is 0.27%. Act only if a listed version of OpenProject is an open-source, is installed.

Which versions are affected?

Compare what you have installed with opf openproject < 16.6.7 < 16.6.7. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.27%. 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. Feb 6, 2026 · EUVD

    Detected

    OpenProject is an open-source, web-based project management software. Prior to versions 16.6.7 and 17.0.3, an HTML injection vulnerability occurs in the time tracking function of OpenProject. The application does not escape HTML tags, an attacker with administrator privileges can create a work package with the name containing the HTML tags and add it to the Work package section when creating time

  2. Feb 9, 2026 · EUVD

    Updated

    OpenProject is an open-source, web-based project management software. Prior to versions 16.6.7 and 17.0.3, an HTML injection vulnerability occurs in the time tracking function of OpenProject. The application does not escape HTML tags, an attacker with administrator privileges can create a work package with the name containing the HTML tags and add it to the Work package section when creating time

Sources

  • CVE.orgVulnerability recordCVE-2026-25764

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-25764

    30-day exploitation probability 0.27%

    first.org
  • EUVDVulnerability recordEUVD-2026-5557

    OpenProject is an open-source, web-based project management software. Prior to versions 16.6.7 and 17.0.3, an HTML injection vulnerability occurs in the time tracking function of OpenProject. The application does not escape HTML tags, an attacker with administrator privileges can

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 4, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 3, 2026