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Threats Tagged 'ghsa-54vg-pfh7-jq95'

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Threats Tagged 'ghsa-54vg-pfh7-jq95'

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GHSA-54vg-pfh7-jq95: Lemur: Crafted CRL/OCSP URLs in uploaded certificates lead to post-authentication SSRFCVE-2026-55162
0

Lemur versions prior to 1.9.2 contain a vulnerability where an authenticated operator can upload certificates with crafted CRL Distribution Point and OCSP URLs. These URLs are used without proper validation, allowing server-side request forgery (SSRF) to internal network services, including instance metadata endpoints and RFC1918 addresses. This can lead to internal network reconnaissance, potential influence on downstream components, and persistent cache poisoning of CRL data. The vulnerability requires operator-level privileges, reducing its severity compared to unauthenticated SSRF, but still poses a meaningful risk within the trust boundaries of the host network.

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