5.3

CVE-2025-55178: meta platforms, inc llama stack

CVSS: 5.3v3.1MediumDeferred
AliasesGHSA-x75h-m6jj-6cj2PYSEC-2026-1571
Published 24-09-2025Last modified 24-09-2025

Vulnerability summary

CVE-2025-55178 is a medium (CVSS 5.3) vulnerability in meta platforms, inc llama stack. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.8% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.50%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-09-2025
    PublishedVulnerability first disclosed.
  2. 24-09-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.50%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

0.00 pp

From 0.50% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.50%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Meta platforms, inc1 product
PyPI1 product
  • llama-stack< 0.2.20

2 vendors · 2 products

References

8 links