Vulnerability details

CVE-2026-8634

OpenClaw crabbox

Crabbox < v0.12.0 Environment Variable Information Disclosure

CVSS 4.0

9.3Critical

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.

CVSS scores

Score	Version	Source	Vector
9.3Critical	4.0	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N`
9.1Critical	3.1	CVEProject cvelistV5 (CNA) (VulnCheck)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N`

Affected products

Vendor	Product	Versions	Source
OpenClaw	crabbox	v < 0.12.0	CVEProject cvelistV5 (CNA)

References and advisories

https://github.com/openclaw/crabbox/releases/tag/v0.12.0 release-notes
https://github.com/openclaw/crabbox/commit/eaae40ae4ce009e60633f16f7f19600c74557f6f patch
https://www.vulncheck.com/advisories/crabbox-environment-variable-information-disclosure third-party-advisory
https://github.com/openclaw/crabbox/pull/78 issue-trackingpatch

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Details

Published: 2026-05-14
Last updated: 2026-11-08
State: Published
Assigner (CNA): VulnCheck

Exploit prediction (EPSS)

0.95%

Probability of exploitation in 30 days

61.5%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: Proof of concept
Technical impact: Total

Weaknesses (CWE)

CWE-94
Improper Control of Generation of Code ('Code Injection')