CVE-2026-116620 Tencent RapidJSON Regex stream.h Take out-of-bounds

Medium 6.9 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-116620?

CVE-2026-116620 is a medium-severity vulnerability in Tencent RapidJSON, published on 27 Oct 2026.

Official description

A security vulnerability has been detected in Tencent RapidJSON up to 1.1.0. This issue affects the function GenericStringStream<UTF8<char>>::Take in the library include/rapidjson/stream.h of the component Regex Parser. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-125, CWE-119

Which versions are affected by CVE-2026-116620?

How do I fix CVE-2026-116620?

No fix has been published for CVE-2026-116620 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-116620 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-116620 exists.

Sources

Also known as AZL-111134, DEBIAN-CVE-2026-116620, GHSA-xfhf-c35f-773q, UBUNTU-CVE-2026-116620.

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