CVE-2026-58154

HIGHPre-NVD 8.98.9—
EchelonGraph scoreMEDIUM confidence

Score 8.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-29. a secondary CVSS source baseline 8.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.9Exploit: None knownExposed: 0

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

Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers.

This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.

Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

CVSS v3
8.9
EG Score
8.9(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity89% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

July 29, 2026

Last Modified

August 3, 2026

Advisory Details (1)

Auto-updated Jul 29, 2026
No patch confirmed yet.
generic
https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d

Vendor Advisories for CVE-2026-58154(1)

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

Affected Packages

(2 across 2 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
trafficserver8.1.1+ds-1.1 ... 9.2.5+ds-1 (40 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
trafficserver9.2.0+ds-2 ... 9.2.5+ds-1 (14 versions)——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 23× in last 7d / 111× 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 128 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-58154?
CVE-2026-58154 is a high vulnerability published on July 29, 2026. Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix…
When was CVE-2026-58154 disclosed?
CVE-2026-58154 was first published in the National Vulnerability Database on July 29, 2026, with the most recent update on August 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-58154 actively exploited?
CVE-2026-58154 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 67.2% of all scored CVEs.
What is the CVSS score of CVE-2026-58154?
CVE-2026-58154 has a CVSS v3 base score of 8.9 (NVD).
How do I remediate CVE-2026-58154?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58154, 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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