CVE-2026-116620 (GCVE-0-2026-116620)

Vulnerability from cvelistv5 – Published: 2026-10-27 00:30 – Updated: 2026-10-27 14:14
VLAI
Title
Tencent RapidJSON Regex stream.h Take out-of-bounds
Summary
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.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-27 13:58 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3836 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/426552 vdb-entrytechnical-description
https://vuldb.com/vuln/426552/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116620 third-party-advisory
https://vuldb.com/submit/1024236 third-party-advisory
https://github.com/Tencent/rapidjson/issues/2401 exploitissue-tracking
https://github.com/Tencent/rapidjson/ product
Impacted products
Vendor Product Version CPE status
Tencent RapidJSON Affected: 1.0
Affected: 1.1.0
    cpe:2.3:a:tencent:rapidjson:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
Events included in the timeline

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.