CVE-2026-110628 (GCVE-0-2026-110628)

Vulnerability from cvelistv5 – Published: 2026-10-14 14:17 – Updated: 2026-10-16 17:16
VLAI
Title
Kan 0.5.5 through 0.6.0 Unauthenticated SSRF via /api/download/attatchment
Summary
Kan 0.5.5 through 0.6.0 contains an unauthenticated server-side request forgery vulnerability in the /api/download/attatchment route due to an incomplete fix for CVE-2026-32255. When S3_ENDPOINT is unset, attackers can pass arbitrary url query parameters to fetch() to read internal services, localhost ports, and cloud instance metadata.
Severity
9.2 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 16:46 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6373 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
kanbn kan Affected: 0.5.5 , ≤ 0.6.0 (semver)
    cpe:2.3:a:kan:kan:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-05 00:00
Credits
leediay153 from Viettel Post
Show details on NVD website
To clipboard 

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