CVE-2026-29168

HIGHNVD 7.37.3
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-05-05. NVD baseline CVSS 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.3Exploit: None knownExposed: 0

A fix is available — apply it.

Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's  mod_md via OCSP response data.

This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66.

Users are recommended to upgrade to version 2.4.67, which fixes the issue.

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
48(Track)
EG Risk 48/100SSVC: 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
Severity73% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
49%
KEV
Not listed

Published

May 5, 2026

Last Modified

May 6, 2026

Advisory Details (2)

Auto-updated May 5, 2026
⚠️ Active exploitation confirmed. Patch available.
generic

oss-security - CVE-2026-29168: Apache HTTP Server: mod_md unrestricted OCSP response

http://www.openwall.com/lists/oss-security/2026/05/05/6
generic Patch Available🔴 Active Exploitation

Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project

https://httpd.apache.org/security/vulnerabilities_24.html

Patch Availability(9)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuapache2-utils (2.4.66-2ubuntu2.1) @ resolute2026-08-23ubuntu
redhatmod_md-1:2.4.19-1.el9_4.22026-08-21redhat
redhatmod_md-1:2.4.26-1.el9_6.22026-08-20redhat
redhatmod_md-1:2.4.19-1.el9_2.22026-08-20redhat
redhatmod_md-1:2.4.26-3.el10_0.22026-08-10redhat
redhatmod_md-1:2.4.26-2.el9_8.12026-06-29redhat
redhatmod_md-1:2.4.26-5.el10_2.12026-06-29redhat
redhatjbcs-httpd24-mod_md-1:2.4.28-16.el7jbcs2026-06-22redhat
redhatjbcs-httpd24-mod_md2026-06-22redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(9 across 9 ecosystems)
Alpine:v3.20(1)
PackageVulnerable rangeFixed inDependents
apache22.4.67-r0
Alpine:v3.21(1)
PackageVulnerable rangeFixed inDependents
apache22.4.67-r0
Alpine:v3.22(1)
PackageVulnerable rangeFixed inDependents
apache22.4.67-r0
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
apache22.4.67-r0
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
apache22.4.67-r0
Debian:11(1)
PackageVulnerable rangeFixed inDependents
apache22.4.48-3.1 ... 2.4.66-8 (82 versions)2.4.67-1~deb11u1
Debian:12(1)
PackageVulnerable rangeFixed inDependents
apache22.4.57-2 ... 2.4.67-1~deb12u1 (46 versions)2.4.67-1~deb12u2
Debian:13(1)
PackageVulnerable rangeFixed inDependents
apache22.4.65-2 ... 2.4.67-1~deb13u1 (22 versions)2.4.67-1~deb13u2
Debian:14(1)
PackageVulnerable rangeFixed inDependents
apache22.4.65-2 ... 2.4.67-1~deb13u3 (24 versions)2.4.67-1

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 7× in last 7d / 33× 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 276 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-29168?
CVE-2026-29168 is a high vulnerability published on May 5, 2026. Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's mod_md via OCSP response data. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.
When was CVE-2026-29168 disclosed?
CVE-2026-29168 was first published in the National Vulnerability Database on May 5, 2026, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-29168 actively exploited?
CVE-2026-29168 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 51.3% of all scored CVEs.
What is the CVSS score of CVE-2026-29168?
CVE-2026-29168 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-29168?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-29168, 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-2026-29168

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