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CVE-2026-44185 Apache CVE debrief

CVE-2026-44185 is a Buffer Over-read vulnerability in Apache HTTP Server via outbound OCSP requests to an attacker controlled OCSP server. This issue affects Apache HTTP Server versions from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue. The CVSS score for this vulnerability is 7.3, with a severity rating of HIGH.

Vendor
Apache
Product
HTTP Server
CVSS
HIGH 7.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-08
Original CVE updated
2026-09-10
Advisory published
2026-06-08
Advisory updated
2026-09-10

Who should care

Users of Apache HTTP Server versions from 2.4.0 through 2.4.67 should upgrade to version 2.4.68 to fix the issue.

Technical summary

The vulnerability is caused by a buffer over-read in the Apache HTTP Server when making outbound OCSP requests to an attacker-controlled OCSP server. This can lead to information disclosure and potentially allow an attacker to gain further access to the system.

Defensive priority

HIGH

Recommended defensive actions

  • Upgrade to Apache HTTP Server version 2.4.68 or later.
  • Review and update configurations to ensure that OCSP requests are not sent to untrusted servers.

Evidence notes

The CVE record and NVD detail can be found at [cve-org] and [nvd], respectively. Additional information and mitigation guidance can be found at [ref-4] and [ref-5].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-44185 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-44185

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-44185 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-44185

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.