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Winter vulnerable to privilege escalation by authenticated backend users

🗓️ 12 Mar 2026 14:07:39Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 18 Views

Winter CMS lets authenticated backend users escalate privileges; fixes for versions 1.0, 1.1, 1.2.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-27591
11 Mar 202621:25
attackerkb
circl
Circl
CVE-2026-27591
12 Mar 202601:30
circl
cnnvd
CNNVD
Winter 安全漏洞
11 Mar 202600:00
cnnvd
cve
CVE
CVE-2026-27591
11 Mar 202621:25
cve
cvelist
Cvelist
CVE-2026-27591 Winter: Privilege escalation by authenticated backend users
11 Mar 202621:25
cvelist
euvd
EUVD
EUVD-2026-11406
12 Mar 202614:07
euvd
nvd
NVD
CVE-2026-27591
11 Mar 202622:16
nvd
osv
OSV
GHSA-PGPF-M8M4-6CG6 Winter vulnerable to privilege escalation by authenticated backend users
12 Mar 202614:07
osv
ptsecurity
Positive Technologies
PT-2026-24850
11 Mar 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-27591
26 Mar 202615:01
redhatcve
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Vulners
Node
OR
winterwn-backend-moduleRange<1.0.477composer
winterwn-backend-moduleRange1.1.01.1.12composer
winterwn-backend-moduleRange1.2.01.2.12composer

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12 Mar 2026 14:07Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.19.9
EPSS0.00486
SSVC
18