CVE-2026-24895

Source
https://cve.org/CVERecord?id=CVE-2026-24895
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-24895.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-24895
Aliases
Published
2026-02-12T19:16:06.618Z
Modified
2026-02-13T03:04:17.328274Z
Severity
  • 8.9 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
FrankenPHP affected by Path Confusion via Unicode casing in CGI path splitting allows execution of arbitrary files
Details

FrankenPHP is a modern application server for PHP. Prior to 1.11.2, FrankenPHP’s CGI path splitting logic improperly handles Unicode characters during case conversion. The logic computes the split index (for finding .php) on a lowercased copy of the request path but applies that byte index to the original path. Because strings.ToLower() in Go can increase the byte length of certain UTF-8 characters (e.g., Ⱥ expands when lowercased), the computed index may not align with the correct position in the original string. This results in an incorrect SCRIPTNAME and SCRIPTFILENAME, potentially causing FrankenPHP to execute a file other than the one intended by the URI. This vulnerability is fixed in 1.11.2.

Database specific
{
    "cwe_ids": [
        "CWE-180"
    ],
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24895.json"
}
References

Affected packages

Git / github.com/php/frankenphp

Affected ranges

Type
GIT
Repo
https://github.com/php/frankenphp
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.11.2"
        }
    ]
}

Affected versions

caddy/v1.*
caddy/v1.0.0
caddy/v1.0.0-beta.1
caddy/v1.0.0-beta.2
caddy/v1.0.0-rc.2
caddy/v1.0.0-rc.3
caddy/v1.0.0-rc.4
caddy/v1.0.1
caddy/v1.0.2
caddy/v1.0.3
caddy/v1.1.0
caddy/v1.1.1
caddy/v1.1.2
caddy/v1.1.3
caddy/v1.1.4
caddy/v1.1.5
caddy/v1.10.0
caddy/v1.10.1
caddy/v1.11.0
caddy/v1.11.1
caddy/v1.2.0
caddy/v1.2.1
caddy/v1.2.2
caddy/v1.2.3
caddy/v1.2.4
caddy/v1.2.5
caddy/v1.3.0
caddy/v1.3.1
caddy/v1.3.2
caddy/v1.3.3
caddy/v1.3.4
caddy/v1.3.5
caddy/v1.3.6
caddy/v1.4.0
caddy/v1.4.1
caddy/v1.4.2
caddy/v1.4.3
caddy/v1.4.4
caddy/v1.5.0
caddy/v1.6.0
caddy/v1.6.1
caddy/v1.6.2
caddy/v1.7.0
caddy/v1.8.0
caddy/v1.9.0
caddy/v1.9.1
v1.*
v1.0.0
v1.0.0-beta.1
v1.0.0-beta.2
v1.0.0-rc.2
v1.0.0-rc.3
v1.0.0-rc.4
v1.0.1
v1.0.2
v1.0.3
v1.1.0
v1.1.1
v1.1.2
v1.1.3
v1.1.4
v1.1.5
v1.10.0
v1.10.1
v1.11.0
v1.11.1
v1.2.0
v1.2.1
v1.2.2
v1.2.3
v1.2.4
v1.2.5
v1.3.0
v1.3.1
v1.3.2
v1.3.3
v1.3.4
v1.3.5
v1.3.6
v1.4.0
v1.4.1
v1.4.2
v1.4.3
v1.4.4
v1.5.0
v1.6.0
v1.6.1
v1.6.2
v1.7.0
v1.8.0
v1.9.0
v1.9.1

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-24895.json"