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Vulnerability record · CVE-2026-65057 · published 21 July 2026

CVE-2026-65057: Server-side request forgery (SSRF) vulnerability

Keep (commit 91c75e0) contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the backend issue arbitrary HTTP requests by supplying attacker-controlled host values to the unprotected healthcheck endpoint. Attackers can send a crafted JSON payload with a malicious host parameter to cause the backend to issue outbound requests to internal services or cloud metadata endpoints, enabling theft of cloud credentials and internal network reconnaissance.

9.2 CVSS 4.0 Critical EPSS 0.43% · top 65.5% CWE-918 · Server-side request forgery (SSRF) Deferred
9.2CVSS 4.0 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
23 Jul 2026Last modified by NVD

Description

Keep (commit 91c75e0) contains a server-side request forgery vulnerability that allows unauthenticated attackers to make the backend issue arbitrary HTTP requests by supplying attacker-controlled host values to the unprotected healthcheck endpoint. Attackers can send a crafted JSON payload with a malicious host parameter to cause the backend to issue outbound requests to internal services or cloud metadata endpoints, enabling theft of cloud credentials and internal network reconnaissance.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/keephq/keep
https://github.com/keephq/keep/issues/6630
https://www.vulncheck.com/advisories/keep-unauthenticated-server-side-request-forgery-via-post-providers-healthcheck
https://github.com/keephq/keep/issues/6630

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Source: NIST National Vulnerability Database (record CVE-2026-65057), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.