PT-2026-60014 · Pypi · Verl

Published 2026-07-13 · Updated 2026-07-13

OSV

CVSS v3.1

5.6

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

A vulnerability was identified in ByteDance verl up to 0.7.1. Affected is the function math equal of the file prime math/grader.py. The manipulation leads to a 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 may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Fix

Related Identifiers

PYSEC-2026-3402

Affected Products

Verl

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-6878 · Security Note
• https://osv.dev/vulnerability/PYSEC-2026-3402 · Vendor Advisory
• https://github.com/verl-project/verl · Note
• https://github.com/verl-project/verl/blob/v0.7.1/verl/utils/reward_score/prime_math/grader.py · Note
• https://github.com/zast-ai/vulnerability-reports/blob/main/bytedance/verl_rce.md · Note
• https://vuldb.com/submit/795257 · Note
• https://pypi.org/project/verl · Note
• https://vuldb.com/vuln/359040 · Note
• https://github.com/advisories/GHSA-h57c-v2v3-5v3v · Note
• https://vuldb.com/vuln/359040/cti · Note