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CVE-2026-100355 Campfire vulnerable to SSRF via incomplete private-network denylist in the link-unfurl guard

🗓️ 30 Oct 2026 14:10:34Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 13 Views

Authenticated SSRF in Campfire via link-unfurl guard allows requests to internal resources.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-100355
30 Oct 202614:17
–circl
cve
CVE
CVE-2026-100355
30 Oct 202614:10
–cve
euvd
EUVD
EUVD-2026-114058
30 Oct 202614:10
–euvd
nvd
NVD
CVE-2026-100355
30 Oct 202614:16
–nvd
ptsecurity
Positive Technologies
PT-2026-133568
30 Oct 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-100355: basecamp once-campfire: Campfire is a web-based chat application
30 Oct 202600:00
–rapid7
[
  {
    "vendor": "basecamp",
    "product": "once-campfire",
    "versions": [
      {
        "version": "< 1.4.5",
        "status": "affected"
      }
    ]
  }
]

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