CVE-2026-102877

Published: Set 29, 2026 Last Modified: Set 29, 2026
ExploitDB:
Other exploit source:
Google Dorks:
LOW 2,1
Attack Vector: network
Attack Complexity: high
Privileges Required: high
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 4,4
Attack Vector: network
Attack Complexity: high
Privileges Required: high
User Interaction: none
Scope: changed
Confidentiality: low
Integrity: low
Availability: none

Description

AI Translation Available

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.

918

Server-Side Request Forgery (SSRF)

Incomplete
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Access Control
Potential Impacts:
Read Application Data Execute Unauthorized Code Or Commands Bypass Protection Mechanism
Applicable Platforms
Technologies: Web Based, AI/ML, Web Server
View CWE Details
https://github.com/getfider/fider
https://github.com/getfider/fider/blob/v0.37.0/app/pkg/validate/general.go
https://github.com/getfider/fider/blob/v0.37.0/app/services/httpclient/httpclie…
https://github.com/getfider/fider/commit/45f5627b9fd15b912fb9092635c863fb4c91dd…
https://github.com/getfider/fider/releases/tag/v0.38.0
https://github.com/getfider/fider/security/advisories/GHSA-whx4-hxwq-qgjh
https://www.vulncheck.com/advisories/fider-before-0.38.0-ssrf-via-dns-rebinding…