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CVE-2026-5052

8.6 high SSVC exploitation: none Analyzed
NVD · CVE.org

Vault’s PKI engine’s ACME validation did not reject local targets when issuing http-01 and tls-alpn-01 challenges. This may lead to these requests being sent to local network targets, potentially leading to information disclosure. Fixed in Vault Community Edition 2.0.0 and Vault Enterprise 2.0.0, 1.21.5, 1.20.10, and 1.19.16.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.6 · hashicorpNVD modified 2026-10-26 21:10

Affected (CPE criteria) 2

  • cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*

References 1