Description
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.
Published: 2026-09-29
Score: 2.1 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 30 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Getfider
Getfider fider
Vendors & Products Getfider
Getfider fider

Wed, 30 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 29 Sep 2026 20:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Fider before 0.38.0 SSRF via DNS rebinding in webhook validation
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 2.1, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-30T19:26:51.504Z

Reserved: 2026-09-29T17:33:19.099Z

Link: CVE-2026-102877

cve-icon Vulnrichment

Updated: 2026-09-30T19:26:45.000Z

cve-icon NVD

Status : Deferred

Published: 2026-09-29T20:17:18.433

Modified: 2026-09-30T20:17:24.780

Link: CVE-2026-102877

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-30T20:35:48Z

Weaknesses
  • CWE-918

    Server-Side Request Forgery (SSRF)