CVE-2026-24895: GO-2026-4486 - FrankenPHP's unicode case-folding length expansion causes incorrect split_path index…

CVE-2026-24895 · Severity: medium · CVSS 4 · Published 2026-02-17

FrankenPHP's unicode case-folding length expansion causes incorrect split_path index (SCRIPT_NAME/PATH_INFO confusion) in FrankenPHP in github.com/dunglas/frankenphp

Technologies: github.com/dunglas/frankenphp (Go). Vendors: Go.

Quick answers

Is CVE-2026-24895 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-24895 being exploited in the wild.
How severe is CVE-2026-24895?
Medium severity, with a CVSS score of 4, published 17 February 2026.
Which products and versions are affected?
github.com/dunglas/frankenphp (Go) SEMVER:introduced=0,fixed=1.11.2.
Is there a fix for CVE-2026-24895?
Yes. github.com/dunglas/frankenphp (Go): upgrade to 1.11.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-24895?
Check whether you run github.com/dunglas/frankenphp (Go) 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

  • github.com/dunglas/frankenphp (Go): upgrade to 1.11.2 or later
    go get github.com/dunglas/frankenphp@v1.11.2

Affected products

  • github.com/dunglas/frankenphp (Go) SEMVER:introduced=0,fixed=1.11.2

Identifiers

  • CVE-2026-24895
  • GHSA-g966-83w7-6w38
  • GO-2026-4486

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