How severe is CVE-2025-51482?

CVE-2025-51482 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-51482 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-51482?

CVE-2025-51482 affects Letta. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-51482?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-51482 have an EU (EUVD) identifier?

Yes. CVE-2025-51482 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22345.

When was CVE-2025-51482 published?

CVE-2025-51482 was published on 2025-07-22 and last updated on 2026-06-17.

CVE-2025-51482

CVE-2025-51482 is a high-severity vulnerability in Letta with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22345
Weakness: CWE-94
Affected product: Letta
Published: 2025-07-22
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-51482?: CVE-2025-51482 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-51482 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-51482?: CVE-2025-51482 affects Letta. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-51482?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-51482 have an EU (EUVD) identifier?: Yes. CVE-2025-51482 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22345.
When was CVE-2025-51482 published?: CVE-2025-51482 was published on 2025-07-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:letta:letta:0.7.12:*:*:*:*:*:*:*

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