CVE-2026-80181

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-04. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: None knownExposed: 0

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

Apache Allura's webhooks are vulnerable to Server-Side Request Forgery (SSRF).

This issue affects Apache Allura: through 1.20.0.

Users are recommended to upgrade to version 1.21.0, which fixes the issue.

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
56(Track)
EG Risk 56/100SSVC: 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
Severity91% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
34%
KEV
Not listed

Published

September 4, 2026

Last Modified

September 8, 2026

Advisory Details (2)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

oss-security - CVE-2026-80181: Apache Allura: Server-side request forgery

http://www.openwall.com/lists/oss-security/2026/09/03/4
generic
https://lists.apache.org/thread/v4nplqchsmdg9sdhp91f8hn03rlq8y7s

Vendor Advisories for CVE-2026-80181(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 52× in last 7d / 96× 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. 2026-09-20 02:26 UTCGHSA enrichment
  2. 2026-09-19 22:19 UTCGHSA enrichment
  3. 2026-09-19 18:12 UTCEG score recompute
  4. 2026-09-19 18:12 UTCGHSA enrichment
  5. 2026-09-19 14:04 UTCGHSA enrichment
  6. 2026-09-19 09:56 UTCGHSA enrichment
  7. 2026-09-19 05:37 UTCGHSA enrichment
  8. 2026-09-19 01:30 UTCGHSA enrichment
  9. 2026-09-18 21:23 UTCEG score recompute
  10. 2026-09-18 21:23 UTCGHSA enrichment
  11. 2026-09-18 19:28 UTCEPSS rescore
  12. 2026-09-18 17:01 UTCGHSA enrichment
  13. 2026-09-18 12:54 UTCGHSA enrichment
  14. 2026-09-18 08:47 UTCGHSA enrichment
  15. 2026-09-18 04:40 UTCGHSA enrichment
  16. 2026-09-18 00:33 UTCGHSA enrichment
  17. 2026-09-17 20:26 UTCEG score recompute
  18. 2026-09-17 20:26 UTCGHSA enrichment
  19. 2026-09-17 15:21 UTCGHSA enrichment
  20. 2026-09-17 11:14 UTCGHSA enrichment
  21. 2026-09-17 07:07 UTCGHSA enrichment
  22. 2026-09-17 03:00 UTCGHSA enrichment
  23. 2026-09-16 22:37 UTCGHSA enrichment
  24. 2026-09-16 18:29 UTCEG score recompute
  25. 2026-09-16 18:29 UTCGHSA enrichment
Show 71 more
  1. 2026-09-16 14:08 UTCEPSS rescore
  2. 2026-09-16 13:57 UTCGHSA enrichment
  3. 2026-09-16 09:14 UTCEG score recompute
  4. 2026-09-16 09:14 UTCGHSA enrichment
  5. 2026-09-16 05:15 UTCEPSS rescore
  6. 2026-09-16 05:07 UTCGHSA enrichment
  7. 2026-09-16 00:59 UTCGHSA enrichment
  8. 2026-09-15 20:52 UTCGHSA enrichment
  9. 2026-09-15 16:22 UTCGHSA enrichment
  10. 2026-09-15 12:15 UTCGHSA enrichment
  11. 2026-09-15 08:07 UTCGHSA enrichment
  12. 2026-09-15 04:00 UTCEG score recompute
  13. 2026-09-15 04:00 UTCGHSA enrichment
  14. 2026-09-15 03:12 UTCEPSS rescore
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-14 23:51 UTCGHSA enrichment
  17. 2026-09-14 19:44 UTCGHSA enrichment
  18. 2026-09-14 15:37 UTCGHSA enrichment
  19. 2026-09-14 11:30 UTCGHSA enrichment
  20. 2026-09-14 07:23 UTCGHSA enrichment
  21. 2026-09-14 03:16 UTCGHSA enrichment
  22. 2026-09-13 23:09 UTCGHSA enrichment
  23. 2026-09-13 19:02 UTCEG score recompute
  24. 2026-09-13 19:02 UTCGHSA enrichment
  25. 2026-09-13 14:54 UTCGHSA enrichment
  26. 2026-09-13 10:39 UTCGHSA enrichment
  27. 2026-09-13 06:31 UTCGHSA enrichment
  28. 2026-09-13 02:23 UTCGHSA enrichment
  29. 2026-09-12 22:16 UTCGHSA enrichment
  30. 2026-09-12 18:09 UTCEG score recompute
  31. 2026-09-12 18:09 UTCGHSA enrichment
  32. 2026-09-12 14:01 UTCGHSA enrichment
  33. 2026-09-12 09:54 UTCGHSA enrichment
  34. 2026-09-12 05:47 UTCGHSA enrichment
  35. 2026-09-12 01:40 UTCGHSA enrichment
  36. 2026-09-11 21:33 UTCGHSA enrichment
  37. 2026-09-11 17:26 UTCEG score recompute
  38. 2026-09-11 17:26 UTCGHSA enrichment
  39. 2026-09-11 14:53 UTCEPSS rescore
  40. 2026-09-11 14:53 UTCEPSS rescore
  41. 2026-09-11 12:48 UTCEG score recompute
  42. 2026-09-11 12:48 UTCGHSA enrichment
  43. 2026-09-11 08:24 UTCGHSA enrichment
  44. 2026-09-11 04:17 UTCGHSA enrichment
  45. 2026-09-11 00:10 UTCGHSA enrichment
  46. 2026-09-10 20:01 UTCGHSA enrichment
  47. 2026-09-10 15:52 UTCGHSA enrichment
  48. 2026-09-10 11:45 UTCEG score recompute
  49. 2026-09-10 11:45 UTCGHSA enrichment
  50. 2026-09-10 07:38 UTCGHSA enrichment
  51. 2026-09-10 03:31 UTCGHSA enrichment
  52. 2026-09-09 23:24 UTCGHSA enrichment
  53. 2026-09-09 17:04 UTCGHSA enrichment
  54. 2026-09-09 12:57 UTCGHSA enrichment
  55. 2026-09-09 08:50 UTCGHSA enrichment
  56. 2026-09-09 04:42 UTCGHSA enrichment
  57. 2026-09-09 00:22 UTCEG score recompute
  58. 2026-09-09 00:22 UTCGHSA enrichment
  59. 2026-09-08 22:01 UTCEPSS rescore
  60. 2026-09-08 19:58 UTCGHSA enrichment
  61. 2026-09-08 19:05 UTCEG score recompute▲ 9.10
  62. 2026-09-08 19:05 UTCGHSA enrichment
  63. 2026-09-08 19:04 UTCMITRE cvelistV5CVSS v3 → 9.1 · severity → CRITICAL
  64. 2026-09-08 14:19 UTCGHSA enrichment
  65. 2026-09-07 05:26 UTCEG score recompute
  66. 2026-09-07 05:26 UTCGHSA enrichment
  67. 2026-09-06 13:48 UTCEPSS rescore
  68. 2026-09-05 15:31 UTCEPSS rescore
  69. 2026-09-04 07:28 UTCNVD update
  70. 2026-09-04 07:04 UTCEG score recompute
  71. 2026-09-04 07:03 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-80181?
CVE-2026-80181 is a critical vulnerability published on September 4, 2026. Apache Allura's webhooks are vulnerable to Server-Side Request Forgery (SSRF). This issue affects Apache Allura: through 1.20.0. Users are recommended to upgrade to version 1.21.0, which fixes the issue.
When was CVE-2026-80181 disclosed?
CVE-2026-80181 was first published in the National Vulnerability Database on September 4, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-80181 actively exploited?
CVE-2026-80181 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 66.1% of all scored CVEs.
What is the CVSS score of CVE-2026-80181?
CVE-2026-80181 has a CVSS v3.1 base score of 9.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-80181?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-80181, 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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