CVE-2026-53633 Vitest: Exposed Browser Mode API Can Proxy CDP and Overwrite Config Files, Leading to RCE

Vitest is a testing framework powered by Vite. From 3.0.0 until 3.2.5, 4.1.8, and 5.0.0-beta.4, Vitest Browser Mode exposed a cdp API that forwarded raw Chrome DevTools Protocol methods without being gated by allowWrite or allowExec, allowing a remote client with exposed browser API metadata to u...

@1771technologies/oneplay (>=0.0.1, <=0.0.6), @baic/preset-yolk-taro-miniprogram (>=2.1.0-alpha.249, <=2.1.0-alpha.251) +7 more potentially affected by CVE-2026-53633 via @vitest/browser (>=3.0.5, <=3.2.4)

@vitest/browser NPM version =3.0.5, =0.0.1, =2.1.0-alpha.249, =2.1.0-alpha.249, =2.1.0-alpha.249, =2.1.0-alpha.249, =2.1.0-alpha.249, =3.8.0, =1.0.1, =0.0.2, =0.0.5 Source cves: CVE-2026-53633 Source advisory: SNYK:JS-VITESTBROWSER-17375130...

@1771technologies/oneplay (>=0.0.1, <=0.0.6), @baic/preset-yolk-taro-miniprogram (>=2.1.0-alpha.249, <=2.1.0-alpha.251) +7 more potentially affected by CVE-2026-53633 via @vitest/browser (>=3.0.5, <=3.2.4)

@vitest/browser NPM version =3.0.5, =0.0.1, =2.1.0-alpha.249, =2.1.0-alpha.249, =2.1.0-alpha.249, =2.1.0-alpha.249, =2.1.0-alpha.249, =3.8.0, =1.0.1, =0.0.2, =0.0.5 Source cves: CVE-2026-53633 Source advisory: OSV:GHSA-G8MR-85JM-7XHM...

@1771technologies/oneplay (>=0.0.1, <=0.0.6), @aklesky/vitest-config (1.0.2) +31 more potentially affected by CVE-2026-53633 via @vitest/coverage-v8 (>=3.0.3, <=3.2.4)

@vitest/coverage-v8 NPM version =3.0.3, =0.0.1, =1.0.388, =0.13.0, =2.2.0-app-13.13.1, =21.0.0-alpha.26, =4.0.9, =3.5.49, =5.1.3, =40.1.0, =3.0.9, =3.0.0, =3.1.4 and more Source cves: CVE-2026-53633 Source advisory: SNYK:JS-VITESTCOVERAGEV8-17375132...

@aamini/config (>=0.0.1, <=0.0.13), @baic/preset-yolk-taro-miniprogram (>=2.1.0-alpha.278, <=2.1.0-alpha.281) +9 more potentially affected by CVE-2026-53633 via @vitest/browser (>=4.0.0, <=4.1.7)

@vitest/browser NPM version =4.0.0, =0.0.1, =2.1.0-alpha.278, =2.1.0-alpha.278, =2.1.0-alpha.278, =2.1.0-alpha.278, =2.1.0-alpha.278, =4.0.0-beta.15, =4.0.0-beta.15, =4.0.0-beta.15, =0.5.0-rc.1, =0.1.0, =0.2.2 Source cves: CVE-2026-53633 Source advisory: SNYK:JS-VITESTBROWSER-17375130...

@aamini/config (>=0.0.1, <=0.0.13), @baic/preset-yolk-taro-miniprogram (>=2.1.0-alpha.278, <=2.1.0-alpha.281) +6 more potentially affected by CVE-2026-53633 via @vitest/browser-playwright (>=4.0.18, <=4.1.5)

@vitest/browser-playwright NPM version =4.0.18, =0.0.1, =2.1.0-alpha.278, =2.1.0-alpha.278, =2.1.0-alpha.278, =2.1.0-alpha.278, =2.1.0-alpha.278, =0.6.0-rc.1, =0.2.0-alpha.1, =0.2.2 Source cves: CVE-2026-53633 Source advisory: SNYK:JS-VITESTBROWSERPLAYWRIGHT-17375133...

@aamini/config (>=0.0.1, <=0.0.13), @baic/preset-yolk-taro-miniprogram (>=2.1.0-alpha.278, <=2.1.0-alpha.281) +9 more potentially affected by CVE-2026-53633 via @vitest/browser (>=4.0.0, <=4.1.7)

@vitest/browser NPM version =4.0.0, =0.0.1, =2.1.0-alpha.278, =2.1.0-alpha.278, =2.1.0-alpha.278, =2.1.0-alpha.278, =2.1.0-alpha.278, =4.0.0-beta.15, =4.0.0-beta.15, =4.0.0-beta.15, =0.5.0-rc.1, =0.1.0, =0.2.2 Source cves: CVE-2026-53633 Source advisory: OSV:GHSA-G8MR-85JM-7XHM...

@baic/preset-yolk-taro-miniprogram (>=2.1.0-alpha.278, <=2.1.0-alpha.281), @baic/preset-yolk-umi-mobile (>=2.1.0-alpha.278, <=2.1.0-alpha.281) +22 more potentially affected by CVE-2026-53633 via @vitest/coverage-v8 (>=4.0.2, <=4.1.7)

@vitest/coverage-v8 NPM version =4.0.2, =2.1.0-alpha.278, =2.1.0-alpha.278, =2.1.0-alpha.278, =2.1.0-alpha.278, =2.1.0-alpha.278, =0.0.1, =21.0.0-alpha.33, =1.0.1, =2.0.1, =2.0.1, =0.1.0, =1.11.0, =1.24.0 and more Source cves: CVE-2026-53633 Source advisory: SNYK:JS-VITESTCOVERAGEV8-17375132...

@a1st/aix (>=0.0.3, <=0.6.0), @a1st/aix-core (>=0.2.0, <=0.6.0) +119 more potentially affected by CVE-2026-53633 via vitest (>=4.0.0-beta.7, <=4.1.7)

vitest NPM version =4.0.0-beta.7, =0.0.3, =0.2.0, =0.0.21, =0.79.1, =2.1.0-alpha.278, =2.1.0-alpha.281 and more Source cves: CVE-2026-53633 Source advisory: SNYK:JS-VITEST-17375131...