Is CVE-2026-8634 actively exploited?

No active exploitation of CVE-2026-8634 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-8634 be exploited remotely?

Yes. CVE-2026-8634 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-8634?

CVE-2026-8634 has a CVSS score of 9.1 (CRITICAL).

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CRITICAL

CVE-2026-8634

CWE-94Published: May 14, 2026· Updated: May 15, 2026

9.1

CVSS v3.1

EPSS:0.12%probability of exploitation in 30 daysPercentile:30.8th

Official Description

Crabbox prior to v0.12.0 contains an environment variable exposure vulnerability that allows attackers with access to a malicious or compromised repository to forward local secrets such as API tokens, cloud credentials, and broker tokens into the remote command environment. Attackers can exploit overly permissive environment variable allowlisting in repo-local Crabbox configuration to serialize sensitive environment variables into remote command execution, exposing credentials to the remote environment.

NVD Source

Technical Analysis

CVE-2026-8634 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.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 9.1.