CVE-2025-55178
Llama Stack could potentially allow for remote code execution
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2025-55178- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
EUVDEUVD-2025-31066
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.
- Record
EUVD-2025-31066- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-x75h-m6jj-6cj2
Llama Stack could potentially allow for remote code execution
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.
- Record
GHSA-x75h-m6jj-6cj2- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-55178- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSV
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.
- Record
CVE-2025-55178- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-x75h-m6jj-6cj2
Llama Stack could potentially allow for remote code execution
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.
- Record
GHSA-x75h-m6jj-6cj2- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
OSVPYSEC-2026-1571
Llama Stack could potentially allow for remote code execution
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.
- Record
PYSEC-2026-1571- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
llama-stackPyPI |
before 0.2.20 | 0.2.20 |
llama-stackPyPI |
before 0.2.20, plus listed versions 0.0.180.0.190.0.1a00.0.1a10.0.1a2 Show 45 moreShow less0.0.1a30.0.1a40.0.1a50.0.200.0.210.0.230.0.240.0.350.0.360.0.370.0.380.0.390.0.400.0.410.0.420.0.430.0.440.0.450.0.460.0.470.0.480.0.490.0.500.0.510.0.51.dev00.0.520.0.530.0.540.0.550.0.560.0.570.0.580.0.590.0.600.0.610.0.620.0.630.1.00.1.10.1.20.1.30.1.40.1.50.1.5.10.1.6 |
0.2.20 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-55178 is a medium vulnerability (CVSS 5.3) in Llamastack Llama Stack, published September 24, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 43rd percentile. Fixed in llama-stack 0.2.20.
References
facebook.com/security/advisories/cve-2025-55178
github.com/llamastack/llama-stack/pull/3281
nvd.nist.gov/vuln/detail/CVE-2025-55178
pypi.org/project/llama-stack
Left out here: 24 versions. The JSON record has them.