EUVD-2026-25146
GHSA-h57c-v2v3-5v3v
CVSS VectorNVD
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
8Blast Radius
ecosystem impact- 1 pypi packages depend on verl (1 direct, 0 indirect)
Ecosystem-wide dependent count for version 0.7.1.
DescriptionNVD
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.
AnalysisAI
Sandbox bypass in ByteDance verl up to version 0.7.0 allows remote attackers to achieve limited information disclosure through manipulation of the math_equal function in prime_math/grader.py. The vulnerability requires high attack complexity and has been publicly documented with exploit code available, though the vendor has not responded to early disclosure attempts.
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External POC / Exploit Code
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