CVE-2026-102877 — Fider before 0.38.0 SSRF via DNS rebinding in webhook validation
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 endpoint…
Published: 2026-09-29 · CVSS: 2.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7