CVE-2026-44881

🗓️ 28 May 2026 21:11:32Reported by GitHub_MType

cve🔗 web.nvd.nist.gov👁 60 Views🌐 WEB

Portainer: authenticated users can read arbitrary files via symlink injection when updating Git-backed stacks.

Reporter	Title	Published	Views	Family All 20
GithubExploit	Exploit for Exposure of Sensitive Information to an Unauthorized Actor in Portainer	16 Jun 202609:32	–	githubexploit
ATTACKERKB	CVE-2026-44881	28 May 202621:11	–	attackerkb
BDU FSTEC	The vulnerability of the Portainer container management platform, related to the lack of protection for service data, allows a intruder to gain unauthorized access to the protected information.	22 Jun 202600:00	–	bdu_fstec
Circl	CVE-2026-44881	29 May 202600:23	–	circl
CNNVD	Portainer 信息泄露漏洞	28 May 202600:00	–	cnnvd
Cvelist	CVE-2026-44881 Portainer: Arbitrary File Read via Git Symlink Injection in Stack Auto-Update	28 May 202621:11	–	cvelist
EUVD	EUVD-2026-33065	28 May 202621:11	–	euvd
Github Security Blog	Portainer Has an Arbitrary File Read via Git Symlink Injection in Stack Auto-Update	14 May 202616:23	–	github
NVD	CVE-2026-44881	28 May 202622:16	–	nvd
OSV	GHSA-RPGQ-M5FP-32WR Portainer Has an Arbitrary File Read via Git Symlink Injection in Stack Auto-Update	14 May 202616:23	–	osv

NVD

Vulners

Node

portainer portainerRange2.33.0–2.33.8community

portainer portainerRange2.34.0–2.39.2community

portainer portainerMatch2.40.0community

[
  {
    "vendor": "portainer",
    "product": "portainer",
    "versions": [
      {
        "version": ">= 2.33.0, < 2.33.8",
        "status": "affected"
      },
      {
        "version": ">= 2.39.0, < 2.39.2",
        "status": "affected"
      },
      {
        "version": ">= 2.40.0, < 2.41.0",
        "status": "affected"
      }
    ]
  }
]

Source	Link
github	www.github.com/portainer/portainer/security/advisories/GHSA-rpgq-m5fp-32wr

Parameter	Position	Path	Description	CWE
id	path	/api/stacks/{id}/file	Portainer GET stack file endpoint reads symlink targets, enabling arbitrary host file read when a stack entry point (docker-compose.yml) is a symlink to a sensitive file.	CWE-59, CWE-200

21 Jul 2026 10:10Current

5.9Medium risk

Vulners AI Score5.9

CVSS 3.19.9

CVSS 48.5

EPSS0.00416

SSVC