How severe is CVE-2026-29168?

CVE-2026-29168 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-29168 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-29168?

CVE-2026-29168 affects Apache Http Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-29168?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-29168 have an EU (EUVD) identifier?

Yes. CVE-2026-29168 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27321.

When was CVE-2026-29168 published?

CVE-2026-29168 was published on 2026-05-05 and last updated on 2026-06-17.

CVE-2026-29168

CVE-2026-29168 is a high-severity vulnerability in Apache Http Server with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-27321
Weakness: CWE-770
Affected product: Apache Http Server
Published: 2026-05-05
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-29168?: 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.
How severe is CVE-2026-29168?: CVE-2026-29168 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-29168 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-29168?: CVE-2026-29168 affects Apache Http Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-29168?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-29168 have an EU (EUVD) identifier?: Yes. CVE-2026-29168 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27321.
When was CVE-2026-29168 published?: CVE-2026-29168 was published on 2026-05-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*

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Browse all CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

50.255.62.89 (ipv4-addr)
77.90.185.88 (ipv4-addr)
77.90.185.87 (ipv4-addr)
74.87.117.150 (ipv4-addr)
50.35.168.148 (ipv4-addr)
49.0.24.107 (ipv4-addr)
46.253.45.10 (ipv4-addr)
46.101.216.224 (ipv4-addr)