CVE-2026-82273

6.5 Moyenne

Publiée le 28/08/2026 à 22:20 · Modifiée le 23/09/2026 à 19:17 · Analyse NVD reportée · Source : disclosure@vulncheck.com

Description

Mastra through 1.63.0 contains an authentication bypass vulnerability in the memory API thread ownership validation when mapUserToResourceId callback is omitted from configuration. Authenticated attackers can enumerate all threads via GET /api/memory/threads and read conversation history and metadata of other resource owners.

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Produits concernés

mastra-ai mastra

Scores CVSS

Version	Score	Source	Vecteur
4.0	7.1 Élevée	disclosure@vulncheck.com	`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X`
3.1	6.5 Moyenne	disclosure@vulncheck.com	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`

Faiblesses (CWE)

CWE-862

Références

https://github.com/mastra-ai/mastra
https://github.com/mastra-ai/mastra/blob/b7e66f0c478a227985e0062794ef058c3714fabf/packages/server/src/server/handlers/utils.ts
https://github.com/mastra-ai/mastra/issues/18911
https://www.vulncheck.com/advisories/mastra-memory-api-thread-ownership-check-is-a-no-op-when-mapusertoresourceid-is-unset
https://github.com/mastra-ai/mastra/issues/18911

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories