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PatchSiren cyber security CVE debrief

CVE-2024-6423 WSO2 CVE debrief

The product failed to enforce validation constraints on user-supplied input in URL parameters, allowing sensitive data to be passed to flows where it was not intended to be processed. Although the product did not utilize this data, its acceptance could lead to logging. If a user mistakenly sends sensitive data via URL parameters to any flow, this data could be inadvertently logged in access logs. This has the potential to expose confidential information, compromising the security and privacy of affected systems if the product is used incorrectly.

Vendor
WSO2
Product
WSO2 API Manager
CVSS
MEDIUM 4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-21
Original CVE updated
2026-10-27
Advisory published
2026-10-21
Advisory updated
2026-10-27

Who should care

Defenders and security teams responsible for configuring and monitoring affected systems should assess exposure and prioritize verification of logging practices and input validation.

Why it matters

The product's failure to enforce validation constraints on user-supplied input in URL parameters could lead to exposure of confidential information and compromise of security and privacy.

  • Potential exposure of confidential information through logging
  • Need to verify input validation and logging practices in affected systems
  • Possible compromise of security and privacy if product is used incorrectly

Technical summary

The product failed to enforce validation constraints on user-supplied input in URL parameters, allowing sensitive data to be passed to flows where it was not intended to be processed. Although the product did not utilize this data, its acceptance could lead to logging. If a user mistakenly sends sensitive data via URL parameters to any flow, this data could be inadvertently logged in access logs. This has the potential to expose confidential information, compromising the security and privacy of affected systems if the product is used incorrectly. The product

Defensive priority

Defenders should assess exposure and prioritize verification of logging practices and input validation in affected systems.

Recommended defensive actions

  • Review and update input validation and logging practices in affected systems
  • Verify that sensitive data is not being passed to flows where it is not intended to be processed
  • Monitor access logs for potential exposure of confidential information
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
  • 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.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but the scope of affected systems and versions is not specified. The product failed to enforce validation constraints on user-supplied input in URL parameters, allowing sensitive data to be passed to flows where it was not intended to be processed. Although the product did not utilize this data, its acceptance could lead to logging. If a user mistakenly sends sensitive data via URL parameters to any flow, this data could be inadvertently logged in access logs. This has

Sources and references

Verified primary and authoritative sources

  • CVE-2024-6423 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-6423

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

  • CVE-2024-6423 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-6423

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

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2024-3465/

    ed10eef1-636d-4fbe-9993-6890dfa878f8

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.