CVE-2026-73237

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2026-08-12. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.8%CVSS: 6.1Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

XSS vulnerability in Markdown handling in Apache Allura.

This issue affects Apache Allura: from 1.10.0 before 1.19.1.

Users are recommended to upgrade to version 1.19.1, which fixes the issue.

CVSS v3
6.1
EG Score
6.1MEDIUMmedium confidence
EG Risk
32
EG Risk 32/100CISA SSVC

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
Severity61% × 45%
Exploitation1% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.8%
EPSS %ILE
54th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 12, 2026

Last Modified

August 17, 2026

Advisory Details (3)

Auto-updated Aug 12, 2026
Fix named in the CVE record.
generic

oss-security - CVE-2026-73237: Apache Allura: XSS in markdown pipeline

http://www.openwall.com/lists/oss-security/2026/08/12/16
generic
https://lists.apache.org/thread/p7bd1yz9v9wbsbc6hz3tjxozxnwyzqz0
generic

Apache Allura 1.19.1 released, with many security fixes

https://allura.apache.org/posts/2026-allura-1.19.1.html

Vendor Advisories for CVE-2026-73237(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 12× in last 7d / 63× 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 138 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-73237?
CVE-2026-73237 is a medium vulnerability published on August 12, 2026. XSS vulnerability in Markdown handling in Apache Allura. This issue affects Apache Allura: from 1.10.0 before 1.19.1. Users are recommended to upgrade to version 1.19.1, which fixes the issue.
When was CVE-2026-73237 disclosed?
CVE-2026-73237 was first published on August 12, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73237 actively exploited?
CVE-2026-73237 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.8% probability of exploitation in the next 30 days (54th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-73237?
CVE-2026-73237 has a CVSS v3.1 base score of 6.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-73237?
A fix for CVE-2026-73237 is available — its CVE record says: "Users are recommended to upgrade to version 1.19.1, which fixes the issue." The vendor advisories EchelonGraph has for CVE-2026-73237 are linked in the Vendor Advisories panel on this page.

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