CVE-2026-27779

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-03. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

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

Gitea versions before 1.25.5 accept malformed or injected forwarded-proto values when detecting public URLs, allowing spoofed canonical URL generation.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
46%
KEV
Not listed

Published

July 3, 2026

Last Modified

July 6, 2026

Advisory Details (4)

Auto-updated Jul 6, 2026
Patch available. Sources: github_pr, github_release.
generic

Gitea 1.25.5 is released | Gitea Blog

https://blog.gitea.com/release-of-1.25.5/
github_release Patch Available

v1.25.5

Patch available: go-gitea/gitea v1.25.5

https://github.com/go-gitea/gitea/releases/tag/v1.25.5
github_pr

Fix forwarded proto handling for public URL detection (#36810)

Fix merged in go-gitea/gitea PR #36836 on 2026-03-06 — awaiting tagged release

https://github.com/go-gitea/gitea/pull/36836
github_pr

Fix forwarded proto handling for public URL detection

Fix merged in go-gitea/gitea PR #36810 on 2026-03-05 — awaiting tagged release

https://github.com/go-gitea/gitea/pull/36810

Vendor Advisories for CVE-2026-27779(1)

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

Affected Packages

(1 across 1 ecosystem)
Go(1)
PackageVulnerable rangeFixed inDependents
code.gitea.io/gitea—1.25.5—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 76× 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.

Showing the most recent 100 of 204 total refreshes for this CVE.

  1. 2026-09-11 14:52 UTCEPSS rescore
  2. 2026-09-10 09:34 UTCEPSS rescore
  3. 2026-09-08 22:00 UTCEPSS rescore
  4. 2026-09-07 16:01 UTCEPSS rescore
  5. 2026-09-06 14:17 UTCEG score recompute
  6. 2026-09-06 13:47 UTCEPSS rescore
  7. 2026-09-06 13:47 UTCEPSS rescore
  8. 2026-09-05 23:39 UTCEG score recompute
  9. 2026-09-04 05:06 UTCEPSS rescore
  10. 2026-09-02 14:11 UTCEPSS rescore
  11. 2026-09-01 13:53 UTCEPSS rescore
  12. 2026-09-01 04:39 UTCEPSS rescore
  13. 2026-09-01 04:39 UTCEPSS rescore
  14. 2026-08-30 23:48 UTCEG score recompute
  15. 2026-08-30 23:48 UTCGHSA enrichment
  16. 2026-08-30 19:17 UTCEPSS rescore
  17. 2026-08-30 11:16 UTCEG score recompute
  18. 2026-08-30 11:16 UTCGHSA enrichment
  19. 2026-08-30 01:22 UTCEPSS rescore
  20. 2026-08-28 21:41 UTCEPSS rescore
  21. 2026-08-27 22:11 UTCEG score recompute
  22. 2026-08-27 22:11 UTCGHSA enrichment
  23. 2026-08-27 14:25 UTCEPSS rescore
  24. 2026-08-27 03:12 UTCEG score recompute
  25. 2026-08-27 03:12 UTCGHSA enrichment
Show 75 more
  1. 2026-08-26 14:46 UTCEPSS rescore
  2. 2026-08-26 14:30 UTCEG score recompute
  3. 2026-08-26 14:30 UTCGHSA enrichment
  4. 2026-08-25 13:48 UTCEPSS rescore
  5. 2026-08-25 13:37 UTCGHSA enrichment
  6. 2026-08-24 22:45 UTCEG score recompute
  7. 2026-08-24 22:45 UTCGHSA enrichment
  8. 2026-08-24 10:11 UTCEG score recompute
  9. 2026-08-24 10:11 UTCGHSA enrichment
  10. 2026-08-23 19:41 UTCGHSA enrichment
  11. 2026-08-23 07:09 UTCEG score recompute
  12. 2026-08-23 07:09 UTCGHSA enrichment
  13. 2026-08-23 00:19 UTCEPSS rescore
  14. 2026-08-22 18:37 UTCGHSA enrichment
  15. 2026-08-22 05:53 UTCEG score recompute
  16. 2026-08-22 05:53 UTCGHSA enrichment
  17. 2026-08-21 23:49 UTCEPSS rescore
  18. 2026-08-21 17:17 UTCGHSA enrichment
  19. 2026-08-21 04:45 UTCEG score recompute
  20. 2026-08-21 04:45 UTCGHSA enrichment
  21. 2026-08-20 22:55 UTCEPSS rescore
  22. 2026-08-20 16:13 UTCGHSA enrichment
  23. 2026-08-20 03:40 UTCEG score recompute
  24. 2026-08-20 03:40 UTCGHSA enrichment
  25. 2026-08-19 17:03 UTCEPSS rescore
  26. 2026-08-19 09:50 UTCGHSA enrichment
  27. 2026-08-18 20:51 UTCEG score recompute
  28. 2026-08-18 20:51 UTCGHSA enrichment
  29. 2026-08-18 13:48 UTCEPSS rescore
  30. 2026-08-18 06:19 UTCGHSA enrichment
  31. 2026-08-17 16:49 UTCEG score recompute
  32. 2026-08-17 16:49 UTCGHSA enrichment
  33. 2026-08-17 13:47 UTCEPSS rescore
  34. 2026-08-17 03:42 UTCGHSA enrichment
  35. 2026-08-16 15:10 UTCEG score recompute
  36. 2026-08-16 15:10 UTCGHSA enrichment
  37. 2026-08-16 14:56 UTCEPSS rescore
  38. 2026-08-16 02:38 UTCEG score recompute
  39. 2026-08-16 02:38 UTCGHSA enrichment
  40. 2026-08-16 02:14 UTCEPSS rescore
  41. 2026-08-15 14:07 UTCGHSA enrichment
  42. 2026-08-15 01:35 UTCEG score recompute
  43. 2026-08-15 01:35 UTCGHSA enrichment
  44. 2026-08-15 01:30 UTCEPSS rescore
  45. 2026-08-14 13:04 UTCGHSA enrichment
  46. 2026-08-14 00:32 UTCEG score recompute
  47. 2026-08-14 00:32 UTCGHSA enrichment
  48. 2026-08-13 22:00 UTCEPSS rescore
  49. 2026-08-13 12:00 UTCGHSA enrichment
  50. 2026-08-12 23:28 UTCEG score recompute
  51. 2026-08-12 23:28 UTCGHSA enrichment
  52. 2026-08-12 13:50 UTCEPSS rescore
  53. 2026-08-12 10:57 UTCGHSA enrichment
  54. 2026-08-11 22:25 UTCEG score recompute
  55. 2026-08-11 22:25 UTCGHSA enrichment
  56. 2026-08-11 13:42 UTCEPSS rescore
  57. 2026-08-11 09:52 UTCEG score recompute
  58. 2026-08-11 09:52 UTCGHSA enrichment
  59. 2026-08-11 00:00 UTCEPSS rescore
  60. 2026-08-10 21:21 UTCGHSA enrichment
  61. 2026-08-10 08:49 UTCGHSA enrichment
  62. 2026-08-09 20:18 UTCEG score recompute
  63. 2026-08-09 20:18 UTCGHSA enrichment
  64. 2026-08-09 13:46 UTCEPSS rescore
  65. 2026-08-09 07:46 UTCGHSA enrichment
  66. 2026-08-08 19:15 UTCEG score recompute
  67. 2026-08-08 19:15 UTCGHSA enrichment
  68. 2026-08-08 16:37 UTCEPSS rescore
  69. 2026-08-08 06:43 UTCGHSA enrichment
  70. 2026-08-07 18:12 UTCEG score recompute
  71. 2026-08-07 18:12 UTCGHSA enrichment
  72. 2026-08-07 05:40 UTCGHSA enrichment
  73. 2026-08-06 17:08 UTCEG score recompute
  74. 2026-08-06 17:08 UTCGHSA enrichment
  75. 2026-08-06 13:46 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-27779?
CVE-2026-27779 is a high vulnerability published on July 3, 2026. Gitea versions before 1.25.5 accept malformed or injected forwarded-proto values when detecting public URLs, allowing spoofed canonical URL generation.
When was CVE-2026-27779 disclosed?
CVE-2026-27779 was first published in the National Vulnerability Database on July 3, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-27779 actively exploited?
CVE-2026-27779 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 54.1% of all scored CVEs.
What is the CVSS score of CVE-2026-27779?
CVE-2026-27779 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-27779?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-27779, 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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