CVE-2025-8267

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Versions of the package ssrfcheck before 1.2.0 are vulnerable to Server-Side Request Forgery (SSRF) due to an incomplete denylist of IP address ranges. Specifically, the package fails to classify the reserved IP address space 224.0.0.0/4 (Multicast) as invalid. This oversight allows attackers to craft requests targeting these multicast addresses.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-918

Affected software

Vendor	Product	Versions
n/a	ssrfcheck	< 1.2.0

References

https://gist.github.com/lirantal/2976840639df824cb3abe60d13c65e04Exploit, Third Party Advisory
https://github.com/felippe-regazio/ssrfcheck/commit/9507b49fd764f2a1a1d1e3b9ee577b7545e6950ePatch
https://github.com/felippe-regazio/ssrfcheck/issues/5Issue Tracking
https://security.snyk.io/vuln/SNYK-JS-SSRFCHECK-9510756Exploit, Third Party Advisory

Timeline

Published: Jul 28, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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