CVE-2026-6878

A vulnerability was identified in ByteDance verl up to 0.7.0. Affected is the function math_equal of the file prime_math/grader.py. The manipulation leads to sandbox issue. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 5.6 MEDIUM
CVSS v2.0 5.1 MEDIUM

5.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

5.1^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:H/Au:N/C:P/I:P/A:P

Exploitability : 4.9 / Impact : 6.4

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/zast-ai/vulnerability-reports/blob/main/bytedance/verl_rce.md
https://vuldb.com/submit/795257
https://vuldb.com/vuln/359040
https://vuldb.com/vuln/359040/cti

Configurations

No configuration.

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad fue identificada en ByteDance verl hasta 0.7.0. Afectada es la función math_equal del archivo prime_math/grader.py. La manipulación conduce a un problema de sandbox. Es posible iniciar el ataque de forma remota. La complejidad de un ataque es bastante alta. Se dice que la explotabilidad es difícil. El exploit está disponible públicamente y podría ser utilizado. El proveedor fue contactado tempranamente sobre esta divulgación pero no respondió de ninguna manera.

Information

Published : 2026-04-23 00:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-6878

Mitre link : CVE-2026-6878

CVE.ORG link : CVE-2026-6878

JSON object : View

Products Affected

No product.

CWE

CWE-264

Permissions, Privileges, and Access Controls

CWE-265

Privilege Issues

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