CVE-2026-102877

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Source
https://cve.org/CVERecord?id=CVE-2026-102877
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-102877.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-102877
Aliases
  • GHSA-whx4-hxwq-qgjh
Published
2026-09-29T20:01:06Z
Modified
2026-10-02T03:30:25Z
Severity
  • 2.1 (Low) CVSS_V4 - 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 CVSS Calculator
Summary
Fider before 0.38.0 SSRF via DNS rebinding in webhook validation
Details

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.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-918"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102877.json"
}
References

Affected packages

Git / github.com/getfider/fider

Affected ranges

Type
GIT
Repo
https://github.com/getfider/fider
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
503b1c99cf9a97a664f75e1d8067add98f8f350e
Fixed
45f5627b9fd15b912fb9092635c863fb4c91dd69
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "0.38.0"
        }
    ],
    "source":  [
        "DESCRIPTION",
        "REFERENCES"
    ]
}

Affected versions

v0.*
v0.1.0
v0.10.0
v0.11.0
v0.12.0
v0.13.0
v0.14.0
v0.15.0
v0.16.0
v0.17.0
v0.18.0
v0.18.1
v0.19.0
v0.2.0
v0.20.0
v0.21.0
v0.21.1
v0.25.0
v0.26.0
v0.27.0
v0.28.0
v0.29.0
v0.3.0
v0.30.0
v0.31.0
v0.32.0
v0.33.0
v0.34.0
v0.35.0
v0.36.0
v0.36.1
v0.37.0
v0.4.0
v0.5.0
v0.6.0
v0.7.0
v0.8.0
v0.9.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-102877.json"