CVE-2026-52784

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2%, top 94% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is a CSRF on TARGET through /users/:id via POST parameter "user[admin]". This vulnerability is fixed in 17.3.3 and 17.4.1.

CVSS v3
8.8
EG Score
8.8(medium)
EPSS
5.8%
KEV
Not listed

Published

June 26, 2026

Last Modified

June 26, 2026

Advisory Details (1)

Auto-updated Jun 26, 2026
Patch available. Sources: github.
github Patch Available

CSRF on TARGET through /users/:id via POST parameter "user[admin]" · Advisory · opf/openproject · GitHub

https://github.com/opf/openproject/security/advisories/GHSA-6crw-7f5r-4qj9

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 26× in last 7d / 67× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 19:01 UTCEG score recompute
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 16:57 UTCEPSS rescore
  4. 2026-07-15 07:25 UTCEG score recompute
  5. 2026-07-15 02:00 UTCEPSS rescore
  6. 2026-07-15 02:00 UTCEPSS rescore
  7. 2026-07-14 19:45 UTCEG score recompute
  8. 2026-07-14 08:09 UTCEG score recompute
  9. 2026-07-13 22:31 UTCEPSS rescore
  10. 2026-07-13 20:28 UTCEG score recompute
  11. 2026-07-13 08:52 UTCEG score recompute
  12. 2026-07-13 06:13 UTCEPSS rescore
  13. 2026-07-13 06:13 UTCEPSS rescore
  14. 2026-07-12 21:14 UTCEG score recompute
  15. 2026-07-12 09:30 UTCEG score recompute
  16. 2026-07-12 05:46 UTCEPSS rescore
  17. 2026-07-11 21:54 UTCEG score recompute
  18. 2026-07-11 10:18 UTCEG score recompute
  19. 2026-07-11 08:27 UTCEPSS rescore
  20. 2026-07-11 08:27 UTCEPSS rescore
  21. 2026-07-10 22:41 UTCEG score recompute
  22. 2026-07-10 11:03 UTCEG score recompute
  23. 2026-07-09 23:23 UTCEG score recompute
  24. 2026-07-09 19:10 UTCEPSS rescore
  25. 2026-07-09 19:10 UTCEPSS rescore
Show 42 more
  1. 2026-07-09 11:46 UTCEG score recompute
  2. 2026-07-09 00:09 UTCEG score recompute
  3. 2026-07-08 15:16 UTCEPSS rescore
  4. 2026-07-08 15:16 UTCEPSS rescore
  5. 2026-07-08 12:32 UTCEG score recompute
  6. 2026-07-08 00:51 UTCEG score recompute
  7. 2026-07-07 13:15 UTCEG score recompute
  8. 2026-07-07 01:38 UTCEG score recompute
  9. 2026-07-06 16:27 UTCEPSS rescore
  10. 2026-07-06 16:27 UTCEPSS rescore
  11. 2026-07-06 14:01 UTCEG score recompute
  12. 2026-07-06 02:23 UTCEPSS rescore
  13. 2026-07-06 02:22 UTCEG score recompute
  14. 2026-07-05 14:45 UTCEG score recompute
  15. 2026-07-05 03:08 UTCEG score recompute
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-07-04 15:31 UTCEG score recompute
  18. 2026-07-04 06:31 UTCEPSS rescore
  19. 2026-07-04 03:55 UTCEG score recompute
  20. 2026-07-03 16:14 UTCEG score recompute
  21. 2026-07-03 04:38 UTCEG score recompute
  22. 2026-07-02 17:02 UTCEG score recompute
  23. 2026-07-02 05:26 UTCEG score recompute
  24. 2026-07-01 17:50 UTCEG score recompute
  25. 2026-07-01 15:07 UTCEPSS rescore
  26. 2026-07-01 06:12 UTCEG score recompute
  27. 2026-06-30 23:22 UTCEPSS rescore
  28. 2026-06-30 18:35 UTCEG score recompute
  29. 2026-06-30 06:59 UTCEG score recompute
  30. 2026-06-29 19:23 UTCEG score recompute
  31. 2026-06-29 14:06 UTCEPSS rescore
  32. 2026-06-29 14:06 UTCEPSS rescore
  33. 2026-06-29 07:47 UTCEG score recompute
  34. 2026-06-28 20:10 UTCEG score recompute
  35. 2026-06-28 14:07 UTCEPSS rescore
  36. 2026-06-28 08:34 UTCEG score recompute
  37. 2026-06-28 04:56 UTCEPSS rescore
  38. 2026-06-28 04:56 UTCEPSS rescore
  39. 2026-06-27 20:58 UTCEG score recompute
  40. 2026-06-27 09:20 UTCEG score recompute
  41. 2026-06-26 21:44 UTCEG score recompute
  42. 2026-06-26 21:42 UTCNVD updatefirst tracked

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Frequently asked(5)

What is CVE-2026-52784?
CVE-2026-52784 is a high vulnerability published on June 26, 2026. OpenProject is open-source, web-based project management software. Prior to 17.3.3 and 17.4.1, there is a CSRF on TARGET through /users/:id via POST parameter "user[admin]". This vulnerability is fixed in 17.3.3 and 17.4.1.
When was CVE-2026-52784 disclosed?
CVE-2026-52784 was first published in the National Vulnerability Database on June 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-52784 actively exploited?
CVE-2026-52784 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-52784?
CVE-2026-52784 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-52784?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-52784, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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