CVE-2026-89162

LowCVSS 3.3/10Last modified Sep 16, 2026

Description

In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.

Metrics

CVSS 3.1 3.3/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-669

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
PCRE	PCRE2	>= 10.45, < 10.48

References

https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48Release Notes
https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q7rw-r7qq-2hx6Exploit, Vendor Advisory

Timeline

Published: Sep 11, 2026
Last modified: Sep 16, 2026
NVD status: Undergoing Analysis

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