---
title: "CVE-2026-100625: Capgo - Broken Access Control"
description: "Capgo contains an insecure direct object reference in its native build TUS upload proxy caused by improper validation of resource suffix, letting attackers with valid API keys write to unauthorized build artifacts, exploit requires valid 'all' or 'write' API key with app.build_native permission."
url: https://panop.io/threat-heartbeat/CVE-2026-100625/
---

# CVE-2026-100625 Capgo - Broken Access Control

Capgo contains an insecure direct object reference in its native build TUS upload proxy caused by improper validation of resource suffix, letting attackers with valid API keys write to unauthorized build artifacts, exploit requires valid 'all' or 'write' API key with app.build\_native permission.

CVSS base score 7.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.25% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-100625)

## Details

Type

Broken Access Control

Impact

Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:L

Published

26 September 2026

Updated

15 October 2026

Weakness

[CWE-441](https://cwe.mitre.org/data/definitions/441.html)

## Vendor fix

Update to the latest version once a patch is available or implement strict validation of resource suffix binding to authorized jobs.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-100625](https://nvd.nist.gov/vuln/detail/CVE-2026-100625)
- [https://github.com/Cap-go/capgo.app/security/advisories/GHSA-r45q-x4gr-3mvv](https://github.com/Cap-go/capgo.app/security/advisories/GHSA-r45q-x4gr-3mvv)
- [https://www.vulncheck.com/advisories/capgo-build-upload-proxy-authorization-bypass-via-tus-resource](https://www.vulncheck.com/advisories/capgo-build-upload-proxy-authorization-bypass-via-tus-resource)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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