CVE-2026-18990: medium-severity vulnerability in letta-ai LettaBot
letta-ai LettaBot API Status Route server.ts missing authentication
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.7%
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
letta-ai · LettaBotpublic PoCs found — 1
cve_referencegist.github.com/YLChen-007/2ba2e586f3d16cb368c8dcd6ef680178unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.