Openproject
CVE-2026-22602
LOW
Severity by source
AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Lifecycle Timeline
3DescriptionGitHub Advisory
OpenProject is an open-source, web-based project management software. Prior to version 16.6.2, a low‑privileged logged-in user can view the full names of other users. Since user IDs are assigned sequentially and predictably (e.g., 1 to 1000), an attacker can extract a complete list of all users’ full names by iterating through these URLs. The same behavior can also be reproduced via the OpenProject API, allowing automated retrieval of full names through the API as well. This issue has been patched in version 16.6.2. Those who are unable to upgrade may apply the patch manually.
AnalysisAI
OpenProject is an open-source, web-based project management software. Prior to version 16.6.2, a low‑privileged logged-in user can view the full names of other users. [CVSS 3.5 LOW]
Technical ContextAI
Classified as CWE-200 (Information Exposure). Affects Openproject. OpenProject is an open-source, web-based project management software. Prior to version 16.6.2, a low‑privileged logged-in user can view the full names of other users. Since user IDs are assigned sequentially and predictably (e.g., 1 to 1000), an attacker can extract a complete list of all users’ full names by iterating through these URLs. The same behavior can also be reproduced via the OpenProject API, allowing automated retrieval of full names through the API as well. This issue has been patch
RemediationAI
A vendor patch is available — apply it immediately. Fixed in version 16.6.2.. Restrict network access to the affected service where possible.
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Same weakness CWE-200 – Information Exposure
View allSame technique Information Disclosure
View allShare
External POC / Exploit Code
Leaving vuln.today