CVE-2026-52784
CSRF allows admin flag change in OpenProject before 17.3.3/17.4.1.
Is CVE-2026-52784 being exploited?
Not confirmed. CVE-2026-52784 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.24% probability of exploitation in the next 30 days.
How severe is CVE-2026-52784?
CVE-2026-52784 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-52784?
Yes. A fix has been recorded for CVE-2026-52784. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-52784 affect?
CVE-2026-52784 affects OpenProject (<17.3.3, <17.4.1). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-52784?
Upgrade to 17.3.3 or 17.4.1
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Privilege escalation to admin via CSRF on /users/:id; attacker gains full control of projects and data.
Patch when possible
- affected< 17.3.3
- affected>= 17.4.0 and < 17.4.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.