Medium severity5.6NVD Advisory· Published Apr 23, 2026· Updated Apr 29, 2026
CVE-2026-6878
CVE-2026-6878
Description
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.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
verlPyPI | <= 0.7.1 | — |
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- github.com/advisories/GHSA-h57c-v2v3-5v3vghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-6878ghsaADVISORY
- github.com/verl-project/verl/blob/v0.7.1/verl/utils/reward_score/prime_math/grader.pyghsaWEB
- github.com/zast-ai/vulnerability-reports/blob/main/bytedance/verl_rce.mdnvdWEB
- vuldb.com/submit/795257nvdWEB
- vuldb.com/vuln/359040nvdWEB
- vuldb.com/vuln/359040/ctinvdWEB
News mentions
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