Lucene search
K

CVE-2026-11525 undici vulnerable to Set-Cookie SameSite attribute downgrade via permissive substring matching

🗓️ 17 Jun 2026 17:31:03Reported by openjsType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

CVE-2026-11525: undici parses Set-Cookie SameSite by substring, enabling policy downgrade.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-11525
17 Jun 202617:34
circl
CVE
CVE-2026-11525
17 Jun 202617:31
cve
Debian CVE
CVE-2026-11525
17 Jun 202617:31
debiancve
EUVD
EUVD-2026-37758
17 Jun 202617:31
euvd
NVD
CVE-2026-11525
17 Jun 202618:17
nvd
OSV
DEBIAN-CVE-2026-11525
17 Jun 202621:48
osv
Positive Technologies
PT-2026-50499
17 Jun 202600:00
ptsecurity
RedhatCVE
CVE-2026-11525
17 Jun 202623:14
redhatcve
Vulnrichment
CVE-2026-11525 undici vulnerable to Set-Cookie SameSite attribute downgrade via permissive substring matching
17 Jun 202617:31
vulnrichment
[
  {
    "vendor": "undici",
    "product": "undici",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "status": "affected",
        "version": "0",
        "lessThan": "6.26.0"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "6.26.0"
      },
      {
        "versionType": "semver",
        "status": "affected",
        "version": "7.0.0",
        "lessThan": "7.28.0"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "7.28.0"
      },
      {
        "versionType": "semver",
        "status": "affected",
        "version": "8.0.0",
        "lessThan": "8.5.0"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "8.5.0"
      }
    ],
    "packageURL": "pkg:npm/undici"
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation