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Medium severity5.3NVD Advisory· Published Apr 17, 2026· Updated Apr 27, 2026

CVE-2026-5052

CVE-2026-5052

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
github.com/hashicorp/vaultGo
>= 1.14.0, <= 1.21.4—

Affected products

4
  • Hashicorp/Vault2 versions
    cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*+ 1 more
    • cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*range: >=1.14.0,<2.0.0
    • cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*range: >=1.14.0,<1.19.16
  • osv-coords2 versions
    pkg:bitnami/vaultpkg:golang/github.com/hashicorp/vault
    >= 0.10.0, < 2.0.0+ 1 more
    • (no CPE)range: >= 0.10.0, < 2.0.0
    • (no CPE)range: >= 1.14.0, <= 1.21.4

Patches

Vulnerability mechanics

References

3

News mentions

0

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