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NVD description
A flaw was found in openshift/oc-mirror. The tool incorrectly verifies PGP (Pretty Good Privacy) release image signatures by checking for signature errors before the entire signed body is processed, leading to a bypass of the signature verification. A remote attacker, by intercepting or manipulating network traffic to the signature endpoint, could exploit this to craft a PGP message with a valid Red Hat release key ID but a forged signature. This enables the `oc-mirror` tool to accept and mirror a malicious release payload into a disconnected registry, potentially compromising the integrity of software deployments.
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
Fallo en Red Hat OpenShift permite saltar chequeos PGP y publicar versiones maliciosas Red Hat ha revelado una vulnerabilidad de seguridad importante en la herramienta oc-mirror de OpenShift CVE-2026-75939 https://blog.elhacker.net/2026/09/fallo-en-red-hat-openshift-permite.html