Server-side Request Forgery (SSRF) Affecting @fedify/vocab-runtime package, versions <2.0.19>=2.1.0 <2.1.15>=2.2.0 <2.2.4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published12 Jul 2026
- disclosed10 Jun 2026
- creditUnknown
Introduced: 10 Jun 2026
CVE-2026-50131 (opens in a new tab)How to fix?
Upgrade @fedify/vocab-runtime to version 2.0.19, 2.1.15, 2.2.4 or higher.
Overview
@fedify/vocab-runtime is a Runtime library for code-generated Activity Vocabulary APIs
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) in the validatePublicUrl process. An attacker can access internal or otherwise restricted network resources by supplying specially crafted URLs that leverage special-use IPv4 address ranges, bypassing intended network access controls.