CVE-2026-124586

HIGH 7.3

Tencent RapidJSON diyfp.h GetCachedPowerByIndex out-of-bounds

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was determined in Tencent RapidJSON 1.1.0. Impacted is the function GetCachedPowerByIndex in the library include/rapidjson/internal/diyfp.h. This manipulation of the argument decimalPosition causes out-of-bounds read. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

CWE	CWE-125 CWE-119
Vendor	tencent
Product	rapidjson
Published	Nov 9, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Tencent / RapidJSON

1.1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/433010 vuldb.com: https://vuldb.com/vuln/433010/cti vuldb.com: https://vuldb.com/cve/CVE-2026-124586 vuldb.com: https://vuldb.com/submit/1039172 github.com: https://github.com/Tencent/rapidjson/issues/2405 github.com: https://github.com/Tencent/rapidjson/

Credits

🔍 shuidajiao (VulDB User) VulDB CNA Team