Vulnerability · Published Sep 24, 2025 · Assigned by Meta
CVE-2025-55178
Medium 5.3
In plain English
A medium-severity security flaw in Llama Stack from Meta Platforms, Inc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.5%top 56.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | llama-stack | 0.2.20 | GHSA-x75h-m6jj-6cj2 |
| PyPI | llama-stack | 0.2.20 | PYSEC-2026-1571 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Meta Platforms, Inc | Llama Stack | 0.0.0 – before 0.2.20 |
References
- https://www.facebook.com/security/advisories/cve-2025-55178 x_refsource_CONFIRM
- https://github.com/llamastack/llama-stack/pull/3281 x_refsource_CONFIRM
- https://github.com/llamastack/llama-stack/releases/tag/v0.2.20 x_refsource_CONFIRM