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CVE-2026-40923

🗓️ 21 Apr 2026 20:50:53Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 50 Views🌐 WEB

Before 1.11.1, Tekton Pipelines allowed mounting under /tekton/ via dot dot traversal; fixed.

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Detection
Affected
Refs
Paths
Social
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-40923
21 Apr 202620:50
–attackerkb
cgr
Chainguard
CVE-2026-40923 vulnerabilities
23 Apr 202601:18
–cgr
circl
Circl
CVE-2026-40923
21 Apr 202622:26
–circl
cnnvd
CNNVD
Tekton Pipelines 路径遍历漏洞
21 Apr 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-40923 Tekton Pipelines: VolumeMount path restriction bypass via missing filepath.Clean in /tekton/ check
21 Apr 202620:50
–cvelist
euvd
EUVD
EUVD-2026-24481
21 Apr 202620:26
–euvd
github
Github Security Blog
Tekton Pipelines: VolumeMount path restriction bypass via missing filepath.Clean in /tekton/ check
21 Apr 202620:26
–github
nvd
NVD
CVE-2026-40923
21 Apr 202621:16
–nvd
osv
OSV
CGA-22XC-G739-23FC
22 Apr 202623:57
–osv
osv
OSV
CGA-23R7-VWFX-VCJ9
23 Apr 202600:39
–osv
Rows per page
NVD
Vulners
[
  {
    "vendor": "tektoncd",
    "product": "pipeline",
    "versions": [
      {
        "version": ">= 1.0.0, < 1.0.2",
        "status": "affected"
      },
      {
        "version": ">= 1.2.0, < 1.3.4",
        "status": "affected"
      },
      {
        "version": ">= 1.4.0, < 1.6.2",
        "status": "affected"
      },
      {
        "version": ">= 1.7.0, < 1.9.3",
        "status": "affected"
      },
      {
        "version": ">= 1.10.0, < 1.11.1",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
VolumeMount.mountPathpath/tekton/home/../resultsPath traversal in Tekton VolumeMount path validation allowed mounting under restricted /tekton/ internal paths by using .. components; the check uses strings.HasPrefix without filepath.Clean, enabling traversal to /tekton/results.CWE-22

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17 Jun 2026 10:45Current
7.9High risk
Vulners AI Score7.9
CVSS 3.15.4
EPSS0.00319
SSVC
50