CVE-2026-45822
decode-uri-component: Denial of service via exponential decoding of malformed percent-encoded input
Summary
### Impact An attacker who can supply input to `decodeUriComponent()` (directly or via a dependency that uses this package on URL/query/path data) can cause excessive CPU usage and application unresponsiveness. This is an availability issue; there is no known memory corruption, data disclosure, or remote code execution impact. ### Patches Upgrade to `[email protected]`. ### Workarounds Limit the size of the input.
Affected packages
| Ecosystem | Package | Affected versions | Fixed versions |
|---|---|---|---|
| npm | decode-uri-component | — | 0.5.0 |
Remediation: Upgrade to 0.5.0 or later.
References
Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.
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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.