---
title: "CVE-2026-88862: Capgo - Broken Access Control"
description: "Capgo backend through 12.242.4 contains a broken access control vulnerability caused by improper validation of parent-child delegation in API key processing, letting authenticated apikey_manager keys escalate privileges by impersonating more privileged sibling keys, exploit requires authenticated apikey_manager API key."
url: https://panop.io/threat-heartbeat/CVE-2026-88862/
---

# CVE-2026-88862 Capgo - Broken Access Control

Capgo backend through 12.242.4 contains a broken access control vulnerability caused by improper validation of parent-child delegation in API key processing, letting authenticated apikey\_manager keys escalate privileges by impersonating more privileged sibling keys, exploit requires authenticated apikey\_manager API key.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.44% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-88862)

## Details

Type

Broken Access Control

Impact

Privilege Escalation

CVSS vector

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

Published

10 September 2026

Updated

15 October 2026

Weakness

[CWE-863](https://cwe.mitre.org/data/definitions/863.html)

## Vendor fix

Update to a patched version once available or contact vendor for a fix.

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-2026-88862](https://nvd.nist.gov/vuln/detail/CVE-2026-88862)
- [https://github.com/Cap-go/capgo.app/security/advisories/GHSA-5hjr-xhx8-x5j7](https://github.com/Cap-go/capgo.app/security/advisories/GHSA-5hjr-xhx8-x5j7)
- [https://www.vulncheck.com/advisories/capgo-api-key-manager-authentication-bypass-via-x-limited-key-id](https://www.vulncheck.com/advisories/capgo-api-key-manager-authentication-bypass-via-x-limited-key-id)

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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

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