What is CVE-2026-49355?

CVE-2026-49355 is a medium-severity vulnerability in Opf Openproject, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-06-26.

How severe is CVE-2026-49355?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Opf Openproject

CVE-2026-49355

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/in…

Vulnerability class: Information Disclosure

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Opf Openproject — versions < 17.4.0

Weakness classification (CWE)

CWE-200 — Information Disclosure
CWE-639 — Authorization Bypass Through User-Controlled Key

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-49355?: CVE-2026-49355 is a medium-severity vulnerability in Opf Openproject, classified under Information Disclosure. CVSS score: 4.3/10. Published 2026-06-26.
How severe is CVE-2026-49355?: Medium severity. CVSS v3 base score is 4.3 out of 10.