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CVE-2026-102877.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSLOW / 2.1CVSS 4.0 · disclosure@vulncheck.com
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSDeferredModified Sep 30, 2026

Disclosure summary

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-reported weakness categories

CWE-918

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

NIST National Vulnerability Database · NVD-CVE-2026-102877

Open original source · Updated Sep 30, 2026

Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.

Original records & references

PUBLISHED 2026-09-29T16:17:18-04:00
MODIFIED 2026-09-30T16:17:24-04:00
INGESTED 2026-10-06T11:43:05-04:00