CVE-2026-42567

Svelte is a performance oriented web framework. From version 5.51.5 to before version 5.55.7, an internal regex in the Svelte runtime can take exponential time to test in . This issue has been patched in version 5.55.7...

@burger-editor/client (>=4.0.0-alpha.62, <=4.0.0-alpha.70), @children-of-atom/reactive-api (0.3.0) +24 more potentially affected by CVE-2026-42567 via svelte (>=5.51.5, <=5.55.5)

svelte NPM version =5.51.5, =4.0.0-alpha.62, =0.0.15, =8.1.10, =6.1.0, =0.1.0, =2.6.0, =6.4.1, =6.4.1, =4.0.0-alpha.4, =5.0.0-rc.0, =5.0.0-rc.0, =4.18.0, =1.26.10, =1.0.0-dev.35, =1.0.0-dev.54 and more Source cves: CVE-2026-42567 Source advisory: SNYK:JS-SVELTE-16697648...

@burger-editor/client (>=4.0.0-alpha.62, <=4.0.0-alpha.70), @children-of-atom/reactive-api (0.3.0) +24 more potentially affected by CVE-2026-42567 via svelte (>=5.51.5, <=5.55.5)

svelte NPM version =5.51.5, =4.0.0-alpha.62, =0.0.15, =8.1.10, =6.1.0, =0.1.0, =2.6.0, =6.4.1, =6.4.1, =4.0.0-alpha.4, =5.0.0-rc.0, =5.0.0-rc.0, =4.18.0, =1.26.10, =1.0.0-dev.35, =1.0.0-dev.54 and more Source cves: CVE-2026-42567 Source advisory: OSV:GHSA-9RMH-MM8F-R9H6...