CVE-2026-18990CWE-287CWE-306

CVE-2026-18990

High · published August 6, 2026

CVSS v3.1
7.3
EPSS
1%
Percentile
52.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00686 · 52.1th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-306 · Missing Authentication for Critical Function
Published
2026-08-06T07:16Z
References (6)
https://gist.github.com/YLChen-007/2ba2e586f3d16cb368c8dcd6ef680178 · [email protected]https://vuldb.com/cve/CVE-2026-18990 · [email protected]https://vuldb.com/submit/862562 · [email protected]https://vuldb.com/submit/862622 · [email protected]https://vuldb.com/vuln/386359 · [email protected]https://vuldb.com/vuln/386359/cti · [email protected]
EPSS history
Timeline
  • 06 AUG 02:15Z
    letta-ai LettaBot API Status Route server.ts missing authentication
    cvelistv5