CVE-2026-52804

MEDIUMPre-NVD 5.55.5—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.5 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.5%, top 61% 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
5.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.5Exploit: NoneExposed: 0

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

Gogs is an open source self-hosted Git service. Prior to 0.14.3, a repository admin collaborator can escalate their privileges to owner-level access by exploiting an off-by-one error in the ChangeCollaborationAccessMode function. This vulnerability is fixed in 0.14.3.

CVSS v3
5.5
EG Score
5.5(medium)
EPSS
39.2%
KEV
Not listed

Published

June 23, 2026

Last Modified

June 26, 2026

Advisory Details (4)

Auto-updated Jun 24, 2026
Patch available. Sources: github_commit, github_pr, github_release, github.
github Patch Available

Privilege Escalation via Collaboration Access Mode Validation · Advisory · gogs/gogs · GitHub

https://github.com/gogs/gogs/security/advisories/GHSA-4565-r4x7-hg8j
github_release Patch Available

0.14.3

Patch available: gogs/gogs v0.14.3

https://github.com/gogs/gogs/releases/tag/v0.14.3
github_pr

database: bound collaboration access mode by `min(actor, admin)`

Fix merged in gogs/gogs PR #8227 on 2026-06-06 — awaiting tagged release

https://github.com/gogs/gogs/pull/8227
github_commit

commit 1fdc9cc28e15 (gogs/gogs)

Fix landed in gogs/gogs commit 1fdc9cc28e15 — awaiting tagged release

https://github.com/gogs/gogs/commit/1fdc9cc28e159135cfa4d6b11ecd5daa0f8ce22b

Vendor Advisories for CVE-2026-52804(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 15× in last 7d / 30× 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. 2026-07-06 19:06 UTCEG score recompute
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 21:09 UTCEG score recompute
  6. 2026-07-05 02:30 UTCEPSS rescore
  7. 2026-07-04 23:12 UTCEG score recompute
  8. 2026-07-04 06:31 UTCEPSS rescore
  9. 2026-07-04 01:17 UTCEG score recompute
  10. 2026-07-03 03:23 UTCEG score recompute
  11. 2026-07-02 05:27 UTCEG score recompute
  12. 2026-07-01 15:07 UTCEPSS rescore
  13. 2026-07-01 07:32 UTCEG score recompute
  14. 2026-06-30 23:22 UTCEPSS rescore
  15. 2026-06-30 09:36 UTCEG score recompute
  16. 2026-06-29 14:06 UTCEPSS rescore
  17. 2026-06-29 14:06 UTCEPSS rescore
  18. 2026-06-29 11:42 UTCEG score recompute
  19. 2026-06-28 14:07 UTCEPSS rescore
  20. 2026-06-28 13:47 UTCEG score recompute
  21. 2026-06-28 04:56 UTCEPSS rescore
  22. 2026-06-28 04:56 UTCEPSS rescore
  23. 2026-06-27 15:52 UTCEG score recompute
  24. 2026-06-27 03:08 UTCEPSS rescore
  25. 2026-06-26 17:56 UTCEG score recompute
Show 5 more
  1. 2026-06-25 20:01 UTCEG score recompute
  2. 2026-06-25 13:49 UTCEPSS rescore
  3. 2026-06-24 22:05 UTCEG score recompute▲ 5.50
  4. 2026-06-24 22:03 UTCNVD updateCVSS v3 → 5.5 · CVSS v4 → 5.5
  5. 2026-06-23 17:22 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-52804?
CVE-2026-52804 is a medium vulnerability published on June 23, 2026. Gogs is an open source self-hosted Git service. Prior to 0.14.3, a repository admin collaborator can escalate their privileges to owner-level access by exploiting an off-by-one error in the ChangeCollaborationAccessMode function. This vulnerability is fixed in 0.14.3.
When was CVE-2026-52804 disclosed?
CVE-2026-52804 was first published in the National Vulnerability Database on June 23, 2026, with the most recent update 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-2026-52804 actively exploited?
CVE-2026-52804 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 39.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-52804?
CVE-2026-52804 has a CVSS v3 base score of 5.5 (NVD).
How do I remediate CVE-2026-52804?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-52804, 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.

Dependency Blast Radius

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