CVE-2026-5052Published

Vault Vulnerable to Server-Side Request Forgery in ACME Challenge Validation via Attacker-Controlled DNS

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-5052

Published

Vault

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "64 bit",
                        "32 bit",
                        "x86",
                        "ARM",
                        "MacOS",
                        "Windows",
                        "Linux"
                    ],
                    "product": "Vault",
                    "repo": "https://github.com/hashicorp/vault",
                    "vendor": "HashiCorp",
                    "versions": [
                        {
                            "lessThan": "2.0.0",
                            "status": "affected",
                            "version": "1.15.0",
                            "versionType": "semver"
                        }
                    ]
                }

Vault Enterprise

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "64 bit",
                        "32 bit",
                        "x86",
                        "ARM",
                        "MacOS",
                        "Windows",
                        "Linux"
                    ],
                    "product": "Vault Enterprise",
                    "repo": "https://github.com/hashicorp/vault",
                    "vendor": "HashiCorp",
                    "versions": [
                        {
                            "changes": [
                                {
                                    "at": "1.19.16",
                                    "status": "unaffected"
                                },
                                {
                                    "at": "1.20.10",
                                    "status": "unaffected"
                                },
                                {
                                    "at": "1.21.5",
                                    "status": "unaffected"
                                }
                            ],
                            "lessThan": "2.0.0",
                            "status": "affected",
                            "version": "1.15.0",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON