Vulnerability · Published Jan 10, 2026 · Assigned by GitHub_M
CVE-2026-22601OpenProject is Vulnerable to Code Execution in E-Mail function
High 8.6
In plain English
A high-severity command injection in openproject from opf. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
Severity (CVSS 4.0)8.6High
Exploit odds (30 days)0.4%top 68.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
OpenProject is an open-source, web-based project management software. For OpenProject version 16.6.1 and below, a registered administrator can execute arbitrary command by configuring sendmail binary path and sending a test email. This issue has been patched in version 16.6.2.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| opf | openproject | < 16.6.2 |
Weakness: CWE-77 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://github.com/opf/openproject/security/advisories/GHSA-9vrv-7h26-c7jc x_refsource_CONFIRM
- https://github.com/opf/openproject/releases/tag/v16.6.2 x_refsource_MISC