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PatchSiren cyber security CVE debrief

CVE-2026-34215 parse-community CVE debrief

A vulnerability in Parse Server, an open-source backend that can be deployed to any infrastructure running Node.js, allows attackers to extract sensitive authentication data, including MFA TOTP secrets, recovery codes, and OAuth access tokens. This issue was patched in versions 8.6.63 and 9.7.0-alpha.7. The vulnerability affects users who have enabled multi-factor authentication, and attackers who know a user's password can extract the MFA secret to generate valid MFA codes, defeating multi-factor authentication protection.

Vendor
parse-community
Product
parse-server
CVSS
HIGH 8.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-03-31
Original CVE updated
2026-07-24
Advisory published
2026-03-31
Advisory updated
2026-07-24

Who should care

Users of Parse Server, especially those who have enabled multi-factor authentication, should be aware of this vulnerability and take immediate action to patch their installations. This includes reviewing and updating authentication configurations to ensure multi-factor authentication is properly implemented and monitoring for suspicious activity related to authentication and authorization.

Technical summary

The verify password endpoint in Parse Server returns unsanitized authentication data, including MFA TOTP secrets, recovery codes, and OAuth access tokens. An attacker who knows a user's password can extract the MFA secret to generate valid MFA codes, defeating multi-factor authentication protection. This issue has been patched in versions 8.6.63 and 9.7.0-alpha.7. Affected deployments should be updated to these versions to prevent exploitation.

Defensive priority

High

Recommended defensive actions

  • Apply patches to update Parse Server to version 8.6.63 or 9.7.0-alpha.7
  • Review and update authentication configurations to ensure multi-factor authentication is properly implemented
  • Monitor for suspicious activity related to authentication and authorization
  • Verify the patch status of Parse Server deployments
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-03-31T20:16:29.013Z and was last modified on 2026-07-24T20:10:00.147Z. The NVD entry is currently Modified. Evidence from the CVE record and NVD entry indicates that Parse Server versions prior to 8.6.63 and 9.7.0-alpha.7 are affected. Defenders should verify the patch status of their Parse Server deployments and review authentication configurations.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-34215 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-34215

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

  • CVE-2026-34215 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-34215

    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.