CVE-2026-3449 - "Once Package Incorrect Control Flow Scoping Vulnerability"
CVE ID : CVE-2026-3449
Published : March 3, 2026, 5:17 a.m. | 39 minutes ago
Description : 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, causing any await or .then() usage to hang indefinitely. This can cause a control-flow leak that can lead to stalled requests, blocked workers, or degraded application availability.
Severity: 4.8 | MEDIUM
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Published : March 3, 2026, 5:17 a.m. | 39 minutes ago
Description : 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, causing any await or .then() usage to hang indefinitely. This can cause a control-flow leak that can lead to stalled requests, blocked workers, or degraded application availability.
Severity: 4.8 | MEDIUM
Visit the link for more details, such as CVSS details, affected products, timeline, and more...