CVE-2026-58153

HIGHPre-NVD 8.38.3—
EchelonGraph scoreHIGH confidence

Score 8.3 from GitHub Security Advisory published 2026-07-29. a secondary CVSS source baseline 8.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.3Exploit: None knownExposed: 0

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

Apache Traffic Server forwards HTTP/2 origin trailers to HTTP/1 clients without proper chunked framing when converting HTTP/2 to HTTP/1.

This issue affects Apache Traffic Server: 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
8.3
EG Score
8.3(high)
EG Risk
53(Track)
EG Risk 53/100SSVC: 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
Severity83% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
38%
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-2026-58153(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 24× 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 111 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-58153?
CVE-2026-58153 is a high vulnerability published on July 29, 2026. Apache Traffic Server forwards HTTP/2 origin trailers to HTTP/1 clients without proper chunked framing when converting HTTP/2 to HTTP/1. This issue affects Apache Traffic Server: 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.
When was CVE-2026-58153 disclosed?
CVE-2026-58153 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-2026-58153 actively exploited?
CVE-2026-58153 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 61.9% of all scored CVEs.
What is the CVSS score of CVE-2026-58153?
CVE-2026-58153 has a CVSS v3 base score of 8.3 (NVD).
How do I remediate CVE-2026-58153?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58153, 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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