CVE-2026-9496 Affecting prism package, versions <5.16.0-r6


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.35% (26th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-PRISM-19502100
  • published3 Sept 2026
  • disclosed26 May 2026

Introduced: 26 May 2026

CVE-2026-9496  (opens in a new tab)

How to fix?

Upgrade Chainguard prism to version 5.16.0-r6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream prism package and not the prism package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Versions of the package pacote from 11.2.7 and before 21.5.1 are vulnerable to Denial of Service (DoS) via the addGitSha function. An attacker can exploit this vulnerability by supplying a specially crafted spec.rawSpec value that triggers the function’s regex replacement and string-manipulation logic, causing excessive CPU consumption and potentially stalling or crashing the process.

CVSS Base Scores

version 3.1