Versions of the package @tootallnate/once before 3.0.1 are vulnerable to Incorrect Control Flow Scoping in promise resolving when AbortSignal option is used. The Promise remains in a permanently pending state after the signal is aborted, ca…

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-3449 · CVE overview and exploitation status

EUVD-2026-9278

GHSA-vpq2-c234-7xj6

cve-program · CVE-2026-3449

• https://security.snyk.io/vuln/SNYK-JS-TOOTALLNATEONCE-15250612
• https://github.com/TooTallNate/once/issues/8
• https://github.com/TooTallNate/once/commit/b9f43cc5259bee2952d91ad3cdbd201a82df448a

euvd · EUVD-2026-9278

• https://security.snyk.io/vuln/SNYK-JS-TOOTALLNATEONCE-15250612
• https://github.com/TooTallNate/once/issues/8
• https://github.com/TooTallNate/once/commit/b9f43cc5259bee2952d91ad3cdbd201a82df448a

nvd · CVE-2026-3449

• https://github.com/TooTallNate/once/commit/b9f43cc5259bee2952d91ad3cdbd201a82df448a
• https://github.com/TooTallNate/once/issues/8
• https://security.snyk.io/vuln/SNYK-JS-TOOTALLNATEONCE-15250612

osv · GHSA-vpq2-c234-7xj6

• https://nvd.nist.gov/vuln/detail/CVE-2026-3449
• https://github.com/TooTallNate/once/issues/8
• https://github.com/TooTallNate/once/commit/b9f43cc5259bee2952d91ad3cdbd201a82df448a
• https://github.com/TooTallNate/once
• https://github.com/TooTallNate/once/releases/tag/v2.0.1
• https://security.snyk.io/vuln/SNYK-JS-TOOTALLNATEONCE-15250612

• Versions of the package @tootallnate/once before 3.0.1 are vulnerable to Incorrect Control Flow Scoping in promise resolving when AbortSignal option is used. The Promise remains in a permanently pending state after the signal is aborted, ca… · Advisory content revised · 15 Nov 2026