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CVE-2026-41887 Flarum: Path traversal in LESS parser via theme color settings (incomplete fix for CVE-2023-27577)

🗓️ 08 May 2026 15:50:38Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

Admin with access can inject @import via theme colors in LESS, enabling LFI or SSRF; patch released in 1.8.16 and 2.0.0-rc.1.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-41887
8 May 202615:50
attackerkb
CNNVD
Flarum 路径遍历漏洞
8 May 202600:00
cnnvd
CVE
CVE-2026-41887
8 May 202615:50
cve
EUVD
EUVD-2026-28804
8 May 202615:50
euvd
Github Security Blog
Flarum: Path traversal in LESS parser via theme color settings (incomplete fix for CVE-2023-27577)
22 Apr 202620:34
github
NVD
CVE-2026-41887
8 May 202617:16
nvd
OSV
GHSA-XJVC-PW2R-6878 Flarum: Path traversal in LESS parser via theme color settings (incomplete fix for CVE-2023-27577)
22 Apr 202620:34
osv
Positive Technologies
PT-2026-37157
22 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-41887
5 Jun 202619:36
redhatcve
Snyk
Server-side Request Forgery (SSRF)
22 Apr 202620:34
snyk
Rows per page
[
  {
    "vendor": "flarum",
    "product": "framework",
    "versions": [
      {
        "version": "< 1.8.16",
        "status": "affected"
      },
      {
        "version": ">= 2.0.0-beta.1, < 2.0.0-rc.1",
        "status": "affected"
      }
    ]
  }
]

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