CVE-2026-5160 Affecting dagger package, versions <0.20.8-r14
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published28 Jul 2026
- disclosed15 Apr 2026
Introduced: 15 Apr 2026
CVE-2026-5160 (opens in a new tab)How to fix?
Upgrade Chainguard dagger to version 0.20.8-r14 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream dagger package and not the dagger package as distributed by Chainguard.
See How to fix? for Chainguard relevant fixed versions and status.
Versions of the package github.com/yuin/goldmark/renderer/html before 1.7.17 are vulnerable to Cross-site Scripting (XSS) due to improper ordering of URL validation and normalization. The renderer validates link destinations using a prefix-based check (IsDangerousURL) before resolving HTML entities. This allows an attacker to bypass protocol filtering by encoding dangerous schemes using HTML5 named character references. For example, a payload such as javascript:alert(1) is not recognized as dangerous during validation, leading to arbitrary script execution in the context of applications that render the URL.