CVE-2026-59797: Apache HTTP Server: mod_ssl SSLRequire allows .htaccess ap_expr file-function

Published Oct 1, 2026
·
Updated

Apache HTTP Server: modssl SSLRequire allows .htaccess apexpr file-function

Other sources

Improper Privilege Management vulnerability in Apache HTTP Server's modssl via SSLRequire and file-related expressions.

This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.

— MITRE

Affected Software

15 affected componentsFixes available
Apache HTTP Server>=2.4.0<=2.4.68
Apache HTTP Server>=2.4.0<2.4.69
Microsoft azl3 httpd 2.4.68-1<2.4.69-1
2.4.69-1
ubuntu/apache2<2.4.7-1ubuntu4.22+esm16
2.4.7-1ubuntu4.22+esm16
ubuntu/apache2<2.4.18-2ubuntu3.17+esm21
2.4.18-2ubuntu3.17+esm21
ubuntu/apache2<2.4.29-1ubuntu4.27+esm12
2.4.29-1ubuntu4.27+esm12
ubuntu/apache2<2.4.41-4ubuntu3.23+esm8
2.4.41-4ubuntu3.23+esm8
ubuntu/apache2<2.4.52-1ubuntu4.24
2.4.52-1ubuntu4.24
ubuntu/apache2<2.4.58-1ubuntu8.16
2.4.58-1ubuntu8.16
ubuntu/apache2<2.4.68-1ubuntu6.1
2.4.68-1ubuntu6.1
ubuntu/apache2<2.4.66-2ubuntu2.5
2.4.66-2ubuntu2.5
debian/apache2<2.4.71-1~deb12u1
2.4.71-1~deb12u1
debian/apache2<2.4.69-1~deb13u1
2.4.69-1~deb13u1
debian/apache2<2.4.69-1
2.4.69-1
debian/apache2<=2.4.68-1~deb12u1, <=2.4.68-1~deb13u1
2.4.71-1~deb12u12.4.71-1~deb13u12.4.69-12.4.71-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2.4.69-1
  2. Upgrade

    Upgrade ubuntu/apache2 to a version that resolves this vulnerability.

    Fixed in 2.4.7-1ubuntu4.22+esm16
  3. Upgrade

    Upgrade ubuntu/apache2 to a version that resolves this vulnerability.

    Fixed in 2.4.18-2ubuntu3.17+esm21
  4. Upgrade

    Upgrade ubuntu/apache2 to a version that resolves this vulnerability.

    Fixed in 2.4.29-1ubuntu4.27+esm12
  5. Upgrade

    Upgrade ubuntu/apache2 to a version that resolves this vulnerability.

    Fixed in 2.4.41-4ubuntu3.23+esm8
  6. Upgrade

    Upgrade ubuntu/apache2 to a version that resolves this vulnerability.

    Fixed in 2.4.52-1ubuntu4.24
  7. Upgrade

    Upgrade ubuntu/apache2 to a version that resolves this vulnerability.

    Fixed in 2.4.58-1ubuntu8.16
  8. Upgrade

    Upgrade ubuntu/apache2 to a version that resolves this vulnerability.

    Fixed in 2.4.68-1ubuntu6.1
  9. Upgrade

    Upgrade ubuntu/apache2 to a version that resolves this vulnerability.

    Fixed in 2.4.66-2ubuntu2.5
  10. Upgrade

    Upgrade debian/apache2 to a version that resolves this vulnerability.

    Fixed in 2.4.71-1~deb12u1
  11. Upgrade

    Upgrade debian/apache2 to a version that resolves this vulnerability.

    Fixed in 2.4.69-1~deb13u1
  12. Upgrade

    Upgrade debian/apache2 to a version that resolves this vulnerability.

    Fixed in 2.4.69-1
  13. Upgrade

    Upgrade debian/apache2 to a version that resolves this vulnerability.

    Fixed in 2.4.71-1~deb12u1Fixed in 2.4.71-1~deb13u1Fixed in 2.4.69-1Fixed in 2.4.71-1

Event History

Oct 1, 2026
CVE Published
via MITRE·04:08 PM
Data Sourced
via MITRE·04:08 PM
DescriptionWeakness
Data Sourced
via OSV·04:08 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:17 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via Red Hat·11:07 PM
DescriptionSeverityAffected Software
Oct 9, 2026
Data Sourced
via Microsoft·08:25 AM
DescriptionSeverityWeaknessAffected Software
Nov 11, 2026
Data Sourced
via OSV·09:43 AM
Affected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

Which Apache HTTP Server versions should be treated as affected?

Apache HTTP Server versions 2.4.0 through 2.4.68 are identified as affected.

2

Is a fixed release or workaround identified in the provided information?

No fixed release or mitigation is specified in the provided information.

Company

Resources

Contact

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