CVE-2026-116620 Details
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.
A heap-buffer-overflow vulnerability has been identified in Tencent RapidJSON versions prior to 1.1.0. The issue arises in the regular expression parser, specifically within the function 'GenericStringStream<UTF8<char>>::Take' in 'include/rapidjson/stream.h'. This vulnerability allows for an out-of-bounds read, which can be exploited remotely. The problem was reported to the project, but no response has been received yet.
Users can update to Tencent RapidJSON version 1.1.1 or later, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 27, 2026CISA-ADP
Assessed Oct 27, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Tencent/rapidjson/ | [email protected] | Vendor |
| https://github.com/Tencent/rapidjson/issues/2401 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://vuldb.com/cve/CVE-2026-116620 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/1024236 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/426552 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/426552/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Tencent RapidJSON | <= 1.1.0 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 27, 2026 | CVE Modified | CISA-ADP |
| Oct 27, 2026 | New CVE Received | [email protected] |