CVE-2026-47181: PenguinMod-BackendApi: NoSQL Injection in Password Reset Endpoint Allows Account Takeover

Severity: high (CVSS 8.7 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-11 · updated 2026-10-26
Weakness: CWE-20

Description

PenguinMod-BackendApi is the backend api for penguinmod. Prior to version 1.0.0, a NoSQL injection vulnerability in the password reset endpoint allows any authenticated user to change the password of an account, leading to full account takeover. An attacker only needs a registered account and a valid password reset token for their own account. This issue has been patched in version 1.0.0.

Affected products

PenguinMod-BackendApi: before 1.0.0

References

https://github.com/PenguinMod/PenguinMod-BackendApi/security/advisories/GHSA-wwwc-jwrc-3pj8
https://github.com/PenguinMod/PenguinMod-BackendApi/security/advisories/GHSA-wwwc-jwrc-3pj8

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