CVE-2026-58177

CRITICALNVD 9.89.8
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 75% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

The Apache Traffic Server Cripts framework has out-of-bounds writes, path traversal, and use-after-free errors.

This issue affects Apache Traffic Server: from 10.0.0 through 10.1.3.

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

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

July 29, 2026

Last Modified

July 31, 2026

Advisory Details (1)

Auto-updated Aug 29, 2026
No patch confirmed yet.

Vendor Advisories for CVE-2026-58177(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 41× in last 7d / 218× 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 235 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-58177?
CVE-2026-58177 is a critical vulnerability published on July 29, 2026. The Apache Traffic Server Cripts framework has out-of-bounds writes, path traversal, and use-after-free errors. This issue affects Apache Traffic Server: from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 10.1.4, which fix the issue.
When was CVE-2026-58177 disclosed?
CVE-2026-58177 was first published in the National Vulnerability Database on July 29, 2026, with the most recent update on July 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-58177 actively exploited?
CVE-2026-58177 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 74.9% of all scored CVEs.
What is the CVSS score of CVE-2026-58177?
CVE-2026-58177 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-58177?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-58177, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-58177

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