CVE-2026-100626CWE-639

CVE-2026-100626

Medium · published September 26, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
6.7
In the wild
Unconfirmed
What it is

capgo through 12.128.2 contains an insecure direct object reference vulnerability in the PUT /app/:appId endpoint that accepts attacker-controlled icon storage paths. Authenticated users can supply arbitrary paths in the private images bucket and obtain service-role-signed URLs valid for 7 days to read cross-tenant objects including user avatars, organization logos, and app icons without authorization.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00176 · 6.7th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-09-26T18:16Z
References (2)
https://github.com/Cap-go/capgo.app/security/advisories/GHSA-84xq-4rv7-p252 · [email protected]https://www.vulncheck.com/advisories/capgo-through-12.128.2-idor-via-put-app-icon-endpoint · [email protected]
EPSS history
Timeline
  • 28 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 26 SEP 13:27Z
    capgo through 12.128.2 IDOR via PUT /app icon endpoint
    cvelistv5