CVE-2026-85623: goose 1.37.0 Arbitrary Command Execution via Recipe Extensions

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-04 · updated 2026-09-10
Weakness: CWE-94

Description

goose 1.37.0 executes arbitrary commands from recipe stdio extensions and retry.checks without security inspection. Attackers can distribute malicious recipes that execute shell commands as the user running goose, bypassing the recipe security scan which does not inspect extensions or retry configurations.

Affected products

aaif-goose goose: through 1.49.0

References

https://github.com/aaif-goose/goose
https://github.com/aaif-goose/goose/blob/v1.49.0/crates/goose/src/agents/extension_manager.rs
https://github.com/aaif-goose/goose/blob/v1.49.0/crates/goose/src/recipe/mod.rs
https://github.com/aaif-goose/goose/issues/10325
https://www.vulncheck.com/advisories/goose-1.37.0-arbitrary-command-execution-via-recipe-extensions

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