# Chainguard Apko vulnerabilities

Source: https://junglewise.ai/threats/technologies/apko  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 10 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/apko.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Chainguard Apko: 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-105768, was published on 5 October 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 2
- All time: 5 (0 critical, 0 exploited in the wild)

## About Chainguard Apko

Tool for building OCI container images using declarative configuration language.

## Latest Chainguard Apko vulnerabilities

- [CVE-2026-105768: apko integer truncation in UID/GID parsing](https://junglewise.ai/threats/cve-2026-105768-apko-allows-users-to-build-and-publish-oci-container-images) (info, published 5 Oct 2026)
- [CVE-2026-54174: Chainguard Melange and Apko incomplete package integrity verification](https://junglewise.ai/threats/cve-2026-54174-chainguard-melange-and-apko-incomplete-package-integrity) (high, CVSS 8.3, published 11 Sep 2026)
- [CVE-2026-42576: Chainguard apko denial of service via incorrect type assertion in DiscoverKeys](https://junglewise.ai/threats/cve-2026-42576-chainguard-apko-denial-of-service-via-incorrect-type-assertion-in) (medium, CVSS 6.5, published 9 May 2026)
- [CVE-2026-42575: Chainguard apko insufficient integrity check for apk packages](https://junglewise.ai/threats/cve-2026-42575-chainguard-apko-insufficient-integrity-check-for-apk-packages) (high, CVSS 7.5, published 9 May 2026)
- [CVE-2026-42574: Chainguard apko path traversal via symlink following in DirFS](https://junglewise.ai/threats/cve-2026-42574-chainguard-apko-path-traversal-via-symlink-following-in-dirfs) (high, CVSS 7.5, published 9 May 2026)

## Most severe Chainguard Apko vulnerabilities

- [CVE-2026-54174: Chainguard Melange and Apko incomplete package integrity verification](https://junglewise.ai/threats/cve-2026-54174-chainguard-melange-and-apko-incomplete-package-integrity) (high, CVSS 8.3, published 11 Sep 2026)
- [CVE-2026-42574: Chainguard apko path traversal via symlink following in DirFS](https://junglewise.ai/threats/cve-2026-42574-chainguard-apko-path-traversal-via-symlink-following-in-dirfs) (high, CVSS 7.5, published 9 May 2026)
- [CVE-2026-42575: Chainguard apko insufficient integrity check for apk packages](https://junglewise.ai/threats/cve-2026-42575-chainguard-apko-insufficient-integrity-check-for-apk-packages) (high, CVSS 7.5, published 9 May 2026)
- [CVE-2026-42576: Chainguard apko denial of service via incorrect type assertion in DiscoverKeys](https://junglewise.ai/threats/cve-2026-42576-chainguard-apko-denial-of-service-via-incorrect-type-assertion-in) (medium, CVSS 6.5, published 9 May 2026)
- [CVE-2026-105768: apko integer truncation in UID/GID parsing](https://junglewise.ai/threats/cve-2026-105768-apko-allows-users-to-build-and-publish-oci-container-images) (info, published 5 Oct 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 1 vulnerability in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 1 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 1 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Chainguard technologies

- [Chainguard Melange](https://junglewise.ai/threats/technologies/melange): 4 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Chainguard Apko vulnerabilities", https://junglewise.ai/threats/technologies/apko, 10 November 2026.