CVE-2025-51482

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2025-07-22. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 2%CVSS: 8.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
56(Track*)
EG Risk 56/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
2%
EPSS %ILE
78%
KEV
Not listed

Published

July 22, 2025

Last Modified

October 7, 2025

Advisory Details (3)

Auto-updated Aug 29, 2026
No patch confirmed yet. Sources: github_pr.
generic

CVE-2025-51482: Letta RCE via Unsanitized Tool Execution Endpoint | Gecko Security

https://www.gecko.security/blog/cve-2025-51482
github_pr

Fixed unsanitized tool execution endpoint to avoid remote code execution

Upstream fix in progress (PR #2630 · letta-ai/letta, state=closed)

https://github.com/letta-ai/letta/pull/2630
generic

GitHub - letta-ai/letta: Platform for stateful agents: AI with advanced memory that can learn and self-improve over time. · GitHub

https://github.com/letta-ai/letta

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 30× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 160 total refreshes for this CVE.

  1. 2026-09-24 14:02 UTCEPSS rescore
  2. 2026-09-23 13:47 UTCEPSS rescore
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  1. 2026-08-30 19:16 UTCEPSS rescore
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  7. 2026-08-25 07:46 UTCOSV refresh
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  43. 2026-07-23 14:18 UTCEPSS rescore
  44. 2026-07-23 02:57 UTCEG score recompute
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  67. 2026-07-06 18:51 UTCOSV refresh
  68. 2026-07-06 16:27 UTCEPSS rescore
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Nucleihttp/cves/2025/CVE-2025-51482.yaml
    First seen Jan 1, 2025

    Letta Letta 0.7.12 - Remote Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-51482?
CVE-2025-51482 is a high vulnerability published on July 22, 2025. Remote Code Execution in letta.server.restapi.routers.v1.tools.runtoolfromsource 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.
When was CVE-2025-51482 disclosed?
CVE-2025-51482 was first published in the National Vulnerability Database on July 22, 2025, with the most recent update on October 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-51482 actively exploited?
CVE-2025-51482 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2% probability of exploitation in the next 30 days, which ranks it in the top 21.5% of all scored CVEs.
What is the CVSS score of CVE-2025-51482?
CVE-2025-51482 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2025-51482?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-51482, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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