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CVE-2026-64822 thiagopena CVE debrief

CVE-2026-64822 is a user enumeration vulnerability in djangoSIGE through 1.10 (commit a6fe7e8). The vulnerability allows unauthenticated attackers to identify valid accounts by observing distinct error messages returned by the password reset endpoint. Attackers can submit arbitrary usernames or email addresses to the POST login/esqueceu/ endpoint and distinguish between existing and non-existing accounts based on observable discrepancies in the application's responses.

Vendor
thiagopena
Product
djangoSIGE
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-21
Original CVE updated
2026-07-22
Advisory published
2026-07-21
Advisory updated
2026-07-22

Who should care

Users of djangoSIGE through version 1.10 (commit a6fe7e8) should be aware of this vulnerability and take steps to mitigate it. This vulnerability allows unauthenticated attackers to identify valid accounts, which could potentially be used for further exploitation.

Technical summary

The vulnerability is located in the ForgotPasswordView within djangosige/apps/login/views.py. The endpoint POST login/esqueceu/ is vulnerable to user enumeration. By submitting arbitrary usernames or email addresses, attackers can determine if an account exists based on the error messages returned. This vulnerability affects djangoSIGE through version 1.10 (commit a6fe7e8). Users should review their deployments and apply patches or updates to mitigate this vulnerability.

Defensive priority

Medium priority should be given to patching this vulnerability, as it allows for user enumeration which could be a precursor to further attacks.

Recommended defensive actions

  • Apply the patch or update to a version of djangoSIGE that is not vulnerable
  • Implement additional monitoring to detect and respond to potential exploitation attempts
  • Consider implementing compensating controls such as rate limiting on the password reset endpoint
  • Review and update incident response plans to include potential user enumeration attacks
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed

Evidence notes

The CVE record was published on 2026-07-21T21:16:53.640Z and was last modified on 2026-07-22T15:17:21.567Z. The NVD entry is currently Received. The vulnerability has a CVSS score of 6.9 and a severity of MEDIUM.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-64822 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-64822

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

  • CVE-2026-64822 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-64822

    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.