RCE in Letta
CVE-2025-51482
Remote Code Execution in letta.server.rest_api.routers.v1.tools.run_tool_from_source in letta-ai Letta 0.7.12 allows remote attackers to execute arbitrary Python code and system commands via crafted payloads to the /v1/tools/run endpoint, bypassing intended sandbox restrictions.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.019 (78.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: +0.000
Affected products
- Letta — versions 0.7.12
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/letta-ai/letta (Product)
- github.com/letta-ai/letta/pull/2630 (Exploit, Patch, Issue Tracking, Vendor Advisory)
- www.gecko.security/blog/cve-2025-51482 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-51482?
- CVE-2025-51482 is a high-severity vulnerability in Letta, classified under Code Injection. CVSS score: 8.8/10. Published 2025-07-22.
- How severe is CVE-2025-51482?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-51482 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.