CVE-2026-18990

A vulnerability was detected in letta-ai LettaBot 0.2.0. Impacted is an unknown function of the file src/api/server.ts of the component API Status Route. The manipulation results in missing authentication. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://gist.github.com/YLChen-007/2ba2e586f3d16cb368c8dcd6ef680178
https://vuldb.com/cve/CVE-2026-18990
https://vuldb.com/submit/862562
https://vuldb.com/submit/862622
https://vuldb.com/vuln/386359
https://vuldb.com/vuln/386359/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-06 03:16

Updated : 2026-08-12 20:59

NVD link : CVE-2026-18990

Mitre link : CVE-2026-18990

CVE.ORG link : CVE-2026-18990

JSON object : View

Products Affected

No product.

CWE

CWE-287

Improper Authentication

CWE-306

Missing Authentication for Critical Function

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