What’s Vulnerable › Vulnerabilities

CVE-2025-55178

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-24 · updated 2026-06-17

Description

Llama Stack prior to version v0.2.20 accepted unverified parameters in the resolve_ast_by_type function which could potentially allow for remote code execution.

Affected products

• Meta Platforms, Inc Llama Stack: before 0.2.20 — fixed in 0.2.20

How to fix

Upgrade to a fixed version: Meta Platforms, Inc Llama Stack 0.2.20. Check the vendor advisory for mitigations.

References

• https://github.com/llamastack/llama-stack/pull/3281
• https://github.com/llamastack/llama-stack/releases/tag/v0.2.20
• https://www.facebook.com/security/advisories/cve-2025-55178

Get alerted when CVE-2025-55178 or the next vulnerability affects your stack