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Loop with Unreachable Exit Condition ('Infinite Loop') Affecting nginx-proxy-manager-2 package, versions <2.16.0-r0

Severity

 Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.52% (42nd percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-NGINXPROXYMANAGER2-20128255
  • published25 Sept 2026
  • disclosed19 Aug 2026
Report a new vulnerability Found a mistake?

Introduced: 19 Aug 2026

CVE-2026-61556  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Minimos:latest nginx-proxy-manager-2 to version 2.16.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nginx-proxy-manager-2 package and not the nginx-proxy-manager-2 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. From 10.26.0 until 10.27.1, the strip_html filter in src/filters/html.ts can enter an infinite loop when an input string contains <, includes at least one preceding character, and has no later >. In strip_html, the search for the next opener advances lt while the loop index remains unchanged when the closer search returns -1, and the equality-only stall guard does not exit because the loop index is less than lt. Reprocessing the same state indefinitely blocks template rendering and can cause denial of service with an input as short as a<. This issue is fixed in version 10.27.1.