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CVE-2026-47181 PenguinMod CVE debrief

CVE-2026-47181 is a HIGH-severity vulnerability in PenguinMod-BackendApi, a backend API for PenguinMod. Prior to version 1.0.0, the API was vulnerable to NoSQL injection in its password reset endpoint. This flaw allowed any authenticated user to change the password of any account, potentially leading to full account takeover. An attacker would only need a registered account and a valid password reset token for their own account to exploit this vulnerability.

Vendor
PenguinMod
Product
PenguinMod-BackendApi
CVSS
HIGH 8.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-11
Original CVE updated
2026-06-15
Advisory published
2026-06-11
Advisory updated
2026-06-15

Who should care

Users of PenguinMod-BackendApi, especially those hosting the API, should be aware of this vulnerability. Anyone using PenguinMod-BackendApi version prior to 1.0.0 is at risk.

Technical summary

The vulnerability exists in the password reset endpoint of PenguinMod-BackendApi. Due to a lack of proper input validation, an authenticated user can manipulate the NoSQL query used in the password reset process. This allows them to change the password of any account, not just their own, by providing a specially crafted password reset token.

Defensive priority

HIGH

Recommended defensive actions

  • Upgrade to PenguinMod-BackendApi version 1.0.0 or later, which patches this vulnerability.
  • Review and secure password reset endpoints in your application to prevent similar vulnerabilities.
  • Ensure all users with accounts in the system update their passwords and monitor their accounts for suspicious activity.

Evidence notes

The CVE-2026-47181 vulnerability was patched in version 1.0.0 of PenguinMod-BackendApi. The vulnerability was publicly disclosed on [cvePublishedAt].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47181 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47181

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-47181 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47181

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.