{"cve":"CVE-2026-6878","nvd":{"published":"2026-04-23T00:16:47.233","modified":"2026-10-26T21:10:00.170","status":"Deferred","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.","cvss_v4":{"vector":"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","score":2.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","score":5.6},"cwes":["CWE-264","CWE-265"],"references":["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"],"products":[],"source":"nvd","synced_at":"2026-10-26T21:38:48.864438205+00:00"},"epss":{"cve":"CVE-2026-6878","score":0.00333,"percentile":0.26475,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-h57c-v2v3-5v3v","url":"https://osv.dev/vulnerability/GHSA-h57c-v2v3-5v3v","summary":"verl's math_equal() Vulnerable to Arbitrary Code Execution via Unsafe eval()","modified":"2026-07-13T16:43:49.716170650Z","packages":[{"ecosystem":"PyPI","name":"verl","purl":"pkg:pypi/verl","ranges":["<=0.7.1"],"fixed":[]}]},{"id":"PYSEC-2026-3402","url":"https://osv.dev/vulnerability/PYSEC-2026-3402","summary":"verl's math_equal() Vulnerable to Arbitrary Code Execution via Unsafe eval()","modified":"2026-07-13T16:33:32.146128116Z","packages":[{"ecosystem":"PyPI","name":"verl","purl":"pkg:pypi/verl","ranges":["<=0.7.1"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}