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 …
Exact source revision recorded 25 Oct 2026 13:17:10 UTC. It does not establish the source's current position. Latest evidence.
nvd · CVE-2026-5052
PublishedVault’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.
NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Analyzed
Weakness classifications: CWE-918
Original publisher date fields
published: 2026-04-17T04:16:12.567
lastModified: 2026-06-17T10:58:20.573
2 source CPE criteria · context only
- cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*
The original JSON retains the logical configuration operators, exclusions and version bounds.
- Source published
- 17 Apr 2026 04:16:12 UTC
- Source modified
- 17 Jun 2026 10:58:20 UTC
- Observed here
- 25 Oct 2026 13:17:10 UTC
- Source terms
- NIST NVD usage terms; underlying source attribution retained
Original source record · Cite this exact observation · Complete original publisher JSON
This view projects the publisher's source fields for reading; the original JSON retains additional fields and CVE enrichment containers. Attribution: nvd · NIST NVD usage terms; underlying source attribution retained. Source text is retained; field grouping and change labels are provided by ChangeIntel.
CVSS 3.1 · [email protected] · Secondary · 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1 · [email protected] · Primary · 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N