CVE-2026-65057

Keep Unauthenticated Server-Side Request Forgery via POST /providers/healthcheck

Published Jul 21, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Keep Project
Keep Project keep
CPEs cpe:2.3:a:keep_project:keep:*:*:*:*:*:*:*:*
Vendors & Products Keep Project
Keep Project keep
Type Values Removed Values Added
First Time appeared Keephq
Keephq keep
Vendors & Products Keephq
Keephq keep
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Keep Unauthenticated Server-Side Request Forgery via POST /providers/healthcheck
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N'}

cvssV4_0

{'score': 9.2, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 24, 2026, 2:18 PM
Reserved
Jul 21, 2026, 2:05 PM
Status
Deferred
Published
Jul 21, 2026, 9:16 PM
Modified
Oct 24, 2026, 7:10 PM