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CVE-2026-56285

Server-Side Request Forgery (SSRF): is CVE-2026-56285real, exploitable, or a false positive? Here's the community verdict.

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signals

public sources

Exploited in wild
Not listed
CISA KEV
Base severity
8.6 High
CVSS
Exploitation prob.
n/a
FIRST EPSS
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
CWE

Moderate signals. Triage by your actual exposure and reachability.

baseline read

auto · not a community verdict

Low signal — verdict needed

Few public signals point to active risk. Whether a scanner hit here is a true or false positive depends on your version and config — community verdicts decide.

Based on CVSS

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CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Nitter's /video media proxy endpoint fails to validate target URLs against Twitter/X domains and uses a hardcoded default HMAC key, allowing unauthenticated attackers to compute valid HMACs for arbitrary URLs. Attackers can retrieve HTTP responses from any host reachable by the server, including cloud metadata services and internal network resources.

References

NVD MITRE CVE.org

Published

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    Related CVEs

    Same weakness: CWE-918 · Server-Side Request Forgery (SSRF).