CVE-2026-6878
MEDIUMByteDance verl grader.py math_equal sandbox
Title source: cnaDescription
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.
References (4)
Scores
CVSS v3
5.6
EPSS
0.0004
EPSS Percentile
11.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Details
CWE
CWE-264
CWE-265
Status
published
Products (7)
ByteDance/verl
0.1
ByteDance/verl
0.2
ByteDance/verl
0.3
ByteDance/verl
0.4
ByteDance/verl
0.5
ByteDance/verl
0.6
ByteDance/verl
0.7.0
Published
Apr 23, 2026
Tracked Since
Apr 23, 2026