CVE-2026-128014

EUVD-2026-125088
FrankenPHP standalone static binaries 1.8.0 before 1.13.2 bundle the PHP brotli extension statically linked with Brotli 1.2.0, whose decoder contains an out-of-bounds write (CVE-2026-111497). Unauthenticated remote attackers can send crafted data to applications that pass it to brotli_uncompress_add() to crash the entire FrankenPHP process, and possibly cause memory disclosure or code execution.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 55.38%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
phpfrankenphp
1.8.0 ≤
𝑥
< 1.13.2
CNA
Common Weakness Enumeration
References
https://github.com/php/frankenphp/security/advisories/GHSA-p746-jj3f-94p8
https://www.vulncheck.com/advisories/frankenphp-1.8.0-before-1.13.2-out-of-bounds-write-via-bundled-brotli-decoder