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PatchSiren cyber security CVE debrief

CVE-2026-36453 Rhymix CVE debrief

CVE-2026-36453 is a high-severity vulnerability in Rhymix, a software that allows insecure direct object reference, potentially allowing arbitrary file access via extra variables. The CVE record was published on 2026-09-13T21:16:59.947Z and was last modified on 2026-09-22T20:00:03.713Z. The NVD entry is currently Deferred. Defenders responsible for Rhymix installations should assess exposure to potential file access via extra variables and prioritize verifying the vulnerability status of their installations. The vulnerability has a CVSS score of 7.4 and is classified as HIGH. To verify the vulnerability status, defenders should review the official CVE Program record and NVD detail

Vendor
Rhymix
Product
Unknown
CVSS
HIGH 7.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-13
Original CVE updated
2026-09-22
Advisory published
2026-09-13
Advisory updated
2026-09-22

Who should care

Defenders responsible for Rhymix installations should assess exposure to potential file access via extra variables and prioritize verifying the vulnerability status of their installations.

Why it matters

CVE-2026-36453 is a high-severity vulnerability in Rhymix that allows insecure direct object reference, potentially allowing arbitrary file access via extra variables. Defenders responsible for Rhymix installations should assess exposure and prioritize verifying the vulnerability status of their installations.

  • Verify Rhymix installations for potential exposure to insecure direct object reference
  • Assess the vulnerability status of Rhymix installations
  • Review and apply vendor-provided patches or updates

Technical summary

CVE-2026-36453 is a high-severity vulnerability in Rhymix, a software that allows insecure direct object reference, potentially allowing arbitrary file access via extra variables. The vulnerability has a CVSS score of 7.4 and is classified as HIGH. Defenders responsible for Rhymix installations should assess exposure and prioritize verifying the vulnerability status of their installations. The official CVE Program record and NVD detail page provide information on the vulnerability, but the scope of affected versions and remediation steps require verification from

Defensive priority

Defenders should prioritize verifying the vulnerability status of Rhymix installations and assessing exposure to potential file access via extra variables.

Recommended defensive actions

  • Verify Rhymix installations for potential exposure to insecure direct object reference
  • Assess the vulnerability status of Rhymix installations
  • Review and apply vendor-provided patches or updates

Evidence notes

The CVE record and NVD detail page provide information on the vulnerability, but the scope of affected versions and remediation steps require verification from official sources.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-36453 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-36453

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

  • CVE-2026-36453 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-36453

    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.