Is CVE-2026-6878 actively exploited?

No active exploitation of CVE-2026-6878 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-6878 be exploited remotely?

Yes. CVE-2026-6878 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-6878?

CVE-2026-6878 has a CVSS score of 5.6 (MEDIUM).

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MEDIUM

CVE-2026-6878

CWE-264Published: April 23, 2026· Updated: Apr 29, 2026

5.6

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:11.7th

Official 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.

NVD Source

Technical Analysis

CVE-2026-6878 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.