CVE-2026-109618
PHP core unauthenticated remote code execution pair of 2026-10-21: OOM-interrupted request startup leaves half-initialised request memory for shutdown to use (CVE-2026-109618), and request-owned global state survives into the next request on the same worker (CVE-2026-109619)
- Severity
- critical
- Affected product
- PHP
- Affected versions
- PHP ≥ 8.5.0, < 8.5.12
- Affected versions
- PHP ≥ 8.4.0, < 8.4.27
- Affected versions
- PHP ≥ 8.3.0, < 8.3.36
- Affected versions
- PHP ≥ 8.2.0, < 8.2.35
- Affected versions
- PHP ≥ 7.4.0, < 8.2.0
- Fixed in
- PHP 8.5.12
- Fixed in
- PHP 8.4.27
- Fixed in
- PHP 8.3.36
- Fixed in
- PHP 8.2.35
- Fixed in
- PHP no release: the project's minimal source backports (php-src branches PHP-7.4/8.0/8.1-CVE-2026-109618-109619) or a vendor LTS package
- Detection basis
- Component version range
- Shipped rule
- PHP: PHP core unauthenticated remote code execution pair of 2026-10-21: OOM-interrupted request startup leaves half-initialised request memory for shutdown to use (CVE-2026-109618), and request-owned global state survives into the next request on the same worker (CVE-2026-109619)
PHP: PHP core unauthenticated remote code execution pair of 2026-10-21 on an end-of-life branch: OOM-interrupted request startup (CVE-2026-109618) and stale request-owned global state (CVE-2026-109619), with no upstream release to move to - Added to NewScan
- 2026-10-21
- Detected by
- NewScan — free, self-hosted
How NewScan reports it
COMPONENT VERSION RANGE
NewScan fingerprints PHP from its response and reports this CVE when the detected version falls inside the affected range below.
COMPONENT VERSION RANGE
NewScan fingerprints PHP from its response and reports this CVE when the detected version falls inside the affected range below.
COMPONENT VERSION RANGE
NewScan fingerprints PHP from its response and reports this CVE when the detected version falls inside the affected range below.
COMPONENT VERSION RANGE
NewScan fingerprints PHP from its response and reports this CVE when the detected version falls inside the affected range below.
COMPONENT VERSION RANGE
NewScan fingerprints PHP from its response and reports this CVE when the detected version falls inside the affected range below.
Related CVEs covered by this detection
The same shipped rule and upgrade also cover these identifiers:
References
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