Quick answers
- Is CVE-2026-59685 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-59685 being exploited in the wild.
- How severe is CVE-2026-59685?
- High severity, with a CVSS score of 7.5, published 1 October 2026.
- Which products and versions are affected?
- Apache HTTP Server 2.4.0 through 2.4.68.
- Is there a fix for CVE-2026-59685?
- Yes: fixed in 2.4.69. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-59685 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-59685?
- Check whether you run Apache HTTP Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: 2.4.69
Technical details
An out-of-bounds write flaw exists in Apache HTTP Server's ap_directory_walk() function when canonicalizing file paths on case-insensitive filesystems (Windows). The vulnerability occurs because 8.3 DOS-format filenames may expand when rewritten, potentially exceeding allocated buffer boundaries. The issue affects all versions 2.4.0 through 2.4.68 and is fixed in 2.4.69.
Affected products
- Apache HTTP Server 2.4.0 through 2.4.68
Timeline
- 2026-05-06: disclosed
- 2026-10-01: patched
- 2026-10-01: advisory