CVE Catalog

CVE-2026-102877

MediumCVSS 4.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.21%

10th percentile - higher than 10% of all known CVEs

Summary

Fider before version 0.38.0 contains a server-side request forgery (SSRF) vulnerability due to a time-of-check time-of-use gap in URL validation for webhooks and custom OAuth provider endpoints. Administrators controlling DNS can perform DNS rebinding attacks to make the Fider server send requests to internal services or cloud metadata endpoints.

Risk Assessment

An attacker can access internal network resources or sensitive cloud data, potentially leading to confidentiality and integrity breaches.

Recommendation

It is recommended to immediately upgrade Fider to version 0.38.0 or later, which includes a fix for this vulnerability.

Related vulnerabilities

Original NVD description (English source)

Fider before 0.38.0 contains a server-side request forgery vulnerability due to a time-of-check time-of-use gap in URL validation for webhooks and custom OAuth provider endpoints. Administrators controlling DNS can perform DNS rebinding attacks to make the Fider server send requests to internal services or cloud metadata endpoints.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS