CVE-2026-42461

🗓️ 09 May 2026 03:30:13Reported by GitHub_MType

cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 76 Views🌐 WEB

CVE-2026-42461 allowed unauthenticated reads of custom template content and secrets before 1.18.0.

Reporter	Title	Published	Views	Family All 19
ATTACKERKB	CVE-2026-42461	9 May 202603:30	–	attackerkb
Circl	CVE-2026-42461	9 May 202605:12	–	circl
CNNVD	arcane 安全漏洞	9 May 202600:00	–	cnnvd
Cvelist	CVE-2026-42461 Arcane Vulnerable to Unauthenticated Disclosure of Custom Compose Template Content (incl. `.env` secrets)	9 May 202603:30	–	cvelist
EUVD	EUVD-2026-28897	9 May 202603:30	–	euvd
Github Security Blog	Arcane Vulnerable to Unauthenticated Disclosure of Custom Compose Template Content (incl. `.env` secrets)	30 Apr 202620:55	–	github
NVD	CVE-2026-42461	9 May 202604:16	–	nvd
OSV	CVE-2026-42461 Arcane Vulnerable to Unauthenticated Disclosure of Custom Compose Template Content (incl. `.env` secrets)	9 May 202603:30	–	osv
OSV	GHSA-CXX3-HR75-4Q96 Arcane Vulnerable to Unauthenticated Disclosure of Custom Compose Template Content (incl. `.env` secrets)	30 Apr 202620:55	–	osv
OSV	GO-2026-5340 Arcane Vulnerable to Unauthenticated Disclosure of Custom Compose Template Content (incl. `.env` secrets) in github.com/getarcaneapp/arcane/backend	25 Jun 202618:43	–	osv

NVD

Vulners

Node

getarcane arcaneRange<1.18.0

[
  {
    "vendor": "getarcaneapp",
    "product": "arcane",
    "versions": [
      {
        "version": "< 1.18.0",
        "status": "affected"
      }
    ]
  }
]

Source	Link
github	www.github.com/getarcaneapp/arcane/releases/tag/v1.18.0
github	www.github.com/getarcaneapp/arcane/security/advisories/GHSA-cxx3-hr75-4q96

Parameter	Position	Path	Description	CWE
template_id	path	/api/templates*	Unauthenticated GET access to templates under /api/templates* exposing Compose YAML and .env content	CWE-862

24 Jul 2026 21:10Current

5.8Medium risk

Vulners AI Score5.8

CVSS 3.17.5

CVSS 48.7

EPSS0.0031

SSVC

CWE-862