Medium severity · published Jun 26, 2026
CVE-2026-49355
OpenProject: Private work package data disclosure through single meeting agenda item API
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
OpenProject is open-source, web-based project management software. Prior to 17.4.0, `GET /api/v3/meetings/:meeting_id/agenda_items/:agenda_item_id` discloses private work package data from a linked work package that belongs to a private/inaccessible project. This vulnerability is fixed in 17.4.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
openproject · opf
< 17.4.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-49355
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-49355
github.com
https://github.com/opf/openproject/security/advisories/GHSA-g387-6rm2-xw88
More from openproject
9.9
CVE-2026-46386
OpenProject: Pre-authentication RCE in openproject/openproject Docker image via default `SECRET_KEY_BASE=OVERWRITE_ME` and `cookies_serializer = :marshal`
9.9
CVE-2026-52782
OpenProject: IDOR through /projects/<A>/settings/project_storages/<A_ps_id> via PATCH parameter "storages_project_storage[project_folder_id]" leads to Access to Unauthorized Resources
9.9
CVE-2026-52785
OpenProject: SQL injection in timestamps functionality
9.9
CVE-2026-25763
Command Injection on OpenProject repositories leads to Remote Code Execution
9.6
CVE-2026-52780
OpenProject: Cache store poisoning leads to Remote Code Execution (RCE)