CVE-2026-36453

HIGH

Published Sep 13, 2026 Modified Sep 14, 2026 CWE-425

Description

Rhymix before 2.1.31 allows insecure direct object reference, aka RVE-2026-1. Arbitrary files can be accessed via extra variables.

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CVSS v3.1 Score

7.4

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0016

Probability of exploitation

0.06%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-425 CWE-425

References

Other References

https://github.com/rhymix/rhymix/commit/f131a616eb990e2b070a8381c3106ae979d40989 https://rhymix.org/community/1932364

Frequently Asked Questions

What is CVE-2026-36453? +

Rhymix before 2.1.31 allows insecure direct object reference, aka RVE-2026-1. Arbitrary files can be accessed via extra variables. It has a CVSS v3.1 base score of 7.4 (HIGH).

How severe is CVE-2026-36453? +

CVE-2026-36453 has a CVSS v3.1 score of 7.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0016, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-36453? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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