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PatchSiren cyber security CVE debrief

CVE-2026-2445 WSO2 CVE debrief

The CVE record indicates that the affected product accepts user-supplied input within a URL parameter without enforcing expected sanitization or encoding before rendering it within the response. This condition allows for the injection of malicious JavaScript payloads. An attacker can leverage this vulnerability to cause the user's browser to redirect to a malicious website, modify the user interface of the webpage, or retrieve sensitive information from the browser. However, the impact is mitigated for session hijacking as all session-related sensitive cookies are protected by the httpOnly flag. The debrief highlights the need for defenders to prioritize patching and implement additional security measures.

Vendor
WSO2
Product
WSO2 API Manager
CVSS
MEDIUM 6.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-20
Original CVE updated
2026-08-19
Advisory published
2026-07-20
Advisory updated
2026-08-19

Who should care

Organizations using the affected product should prioritize patching to prevent potential attacks. This includes reviewing and updating security configurations, monitoring for suspicious activity, and implementing additional input validation and sanitization measures. Security teams and vulnerability management teams should be aware of the potential impact and take steps to mitigate it.

Technical summary

The affected product is vulnerable to cross-site scripting (XSS) attacks due to inadequate input sanitization. An attacker can inject malicious JavaScript payloads, potentially leading to unauthorized actions or information disclosure. The product's handling of user-supplied input within URL parameters is a key factor in this vulnerability. Defenders should focus on ensuring proper input validation and sanitization practices are in place.

Defensive priority

Medium-High

Recommended defensive actions

  • Apply patches or updates provided by the vendor
  • Implement additional input validation and sanitization measures
  • Monitor for suspicious activity
  • Review and update security configurations
  • Perform vulnerability scanning and penetration testing
  • Track exceptions and retest remediated assets

Evidence notes

The CVE record and NVD detail provide information on the vulnerability. However, further investigation is needed to determine the full scope of affected products and potential mitigations. The affected product's input sanitization and encoding practices are unclear, and defenders should verify these details. Evidence limits suggest that additional information may be available from the vendor or other sources. Defensive verification tasks include reviewing the product's documentation and querying the vendor for more information.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-2445 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-2445

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

  • CVE-2026-2445 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-2445

    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/WSO2-2026-5059/

    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.