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: 1.1%CVSS: 7.3Exploit: None knownExposed services: Not assessed

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
7.3HIGHmedium confidence
EG Risk
48
EG Risk 48/100

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%
EPSS PROB
1.1%
EPSS %ILE
63rd
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
genericMentions a patch (unverified)🔴 Active Exploitation

Apache HTTP Server 2.4 vulnerabilities - The Apache HTTP Server Project

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

Vendor Advisories for CVE-2026-29168(9)

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

Patch Availability(9)

Vendor / EcosystemFix (by version range) / 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 rangeFix by version rangeDependents
apache2—
  • every version up to 2.4.67-r0: fixed in 2.4.67-r0
—
Alpine:v3.21(1)
PackageVulnerable rangeFix by version rangeDependents
apache2—
  • every version up to 2.4.67-r0: fixed in 2.4.67-r0
—
Alpine:v3.22(1)
PackageVulnerable rangeFix by version rangeDependents
apache2—
  • every version up to 2.4.67-r0: fixed in 2.4.67-r0
—
Alpine:v3.23(1)
PackageVulnerable rangeFix by version rangeDependents
apache2—
  • every version up to 2.4.67-r0: fixed in 2.4.67-r0
—
Alpine:v3.24(1)
PackageVulnerable rangeFix by version rangeDependents
apache2—
  • every version up to 2.4.67-r0: fixed in 2.4.67-r0
—
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
apache22.4.48-3.1 ... 2.4.66-8 (82 versions)
  • every version up to 2.4.67-1~deb11u1: fixed in 2.4.67-1~deb11u1
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
apache22.4.57-2 ... 2.4.67-1~deb12u1 (46 versions)
  • every version up to 2.4.67-1~deb12u2: fixed in 2.4.67-1~deb12u2
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
apache22.4.65-2 ... 2.4.67-1~deb13u1 (22 versions)
  • every version up to 2.4.67-1~deb13u2: fixed in 2.4.67-1~deb13u2
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
apache22.4.65-2 ... 2.4.67-1~deb13u3 (24 versions)
  • every version up to 2.4.67-1: fixed in 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 / 24× 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 291 total refreshes for this CVE.

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

Related CVEs(same product + same vendor + same CWE)

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 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 1.1% probability of exploitation in the next 30 days (63rd percentile of EPSS-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?
A fix for CVE-2026-29168 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-29168 are linked in the Vendor Advisories panel on this page.

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