CVE-2026-3449
- State
- Published
- Severity
- 4.8 Medium
- Published
- Mar 3, 2026
- Updated
- May 4, 2026
- Reserved
- Mar 2, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | snyk |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P | snyk |
Weaknesses
- CWE-705 Incorrect Control Flow Scoping
Affected Products
| Product | Versions |
|---|---|
@tootallnate/oncen/a |
|
References
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