CVE-2026-6878 | ByteDance verl up to 0.7.0 prime_math/grader.py math_equal sandbox

VDB-359040 · SUBMIT #795257 · CVE-2026-6878 BYTEDANCE VERL UP TO 0.7.0 PRIME_MATH/GRADER.PY MATH_EQUAL SANDBOX HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability labeled as critical has been found in ByteDance verl up to 0.7.0. Affected by this vulnerability is the function math_equal of the file prime_math/grader.py. The manipulation results in sandbox. This vulnerability is known as CVE-2026-6878. It is possible to launch the attack remotely. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability, which was classified as critical, was found in ByteDance verl up to 0.7.0. Affected is the function math_equal of the file prime_math/grader.py. The manipulation with an unknown input leads to a sandbox vulnerability. CWE is classifying the issue as CWE-265. This is going to have an impact on confidentiality, integrity, and availability. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-6878. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1611. The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor ByteDance Name verl Version 0.1 0.2 0.3 0.4 0.5 0.6 0.7.0 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.6 VulDB Meta Temp Score: 5.1 VulDB Base Score: 5.6 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Sandbox CWE: CWE-265 / CWE-264 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/22/2026 Advisory disclosed 04/22/2026 +0 days VulDB entry created 04/22/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-6878 (🔒) GCVE (CVE): GCVE-0-2026-6878 GCVE (VulDB): GCVE-100-359040 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/22/2026 20:28 Changes: 04/22/2026 20:28 (56) Complete: 🔍 Submitter: ZAST.AI Cache ID: 99:AB2:101 Submitinfo Accepted Submit #795257: Bytedance verl <=0.7.0 Arbitrary Code Execution (by ZAST.AI) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸