CVE-2026-116163

critical · 9.1

Parse Server before 8.6.102 and 9.0.0 before 9.10.5-alpha.2 contains an authentication bypass because the validateSetUp, validateLogin, and validateUpdate methods of custom adapters subclassing AuthAdapter are never called, and an inherited default that accepts any authData is used instead. Attackers can supply arbitrary authData to sign up, link identities, log in as existing users, or skip custom additional authentication factors.

9.1

CVSS

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EPSS (exploit prob.)

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EPSS percentile

2026-10-25

Published

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/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

Weaknesses

CWE-287

References

https://github.com/parse-community/parse-server/security/advisories/GHSA-rq3w-5c6f-p7wr
https://www.vulncheck.com/advisories/parse-server-9.0.0-before-9.10.5-alpha.2-authentication-bypass-via-authadapter-subclasses

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-116163