Distribution advisory
This page covers CVE-2025-57820 as tracked by npm (Root.io), for the package devalue. The fix is available in version 4.3.3-root.io.1; earlier versions remain affected.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. Rated impact: confidentiality none, integrity none, availability none. (rating taken from the base CVE record.)
CVSS metrics in full
The score comes from this vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
- Attack vector: Network — reachable from anywhere that can route to the service.
- Attack complexity: Low — the attack works reliably, with no preparation.
- Attack requirements: None — no deployment-specific condition has to hold.
- Privileges required: None — an unauthenticated stranger can try it.
- User interaction: None — nobody has to be tricked into anything.
- Confidentiality impact: None.
- Integrity impact: None.
- Availability impact: None.
Weakness class
ROOT-APP-NPM-CVE-2025-57820 is classified as CWE-1321: Prototype Pollution. Attacker input can modify an object prototype, changing behaviour for objects across the application.
Affected software
ROOT-APP-NPM-CVE-2025-57820 is recorded against 2 packages.
- @rootio/devalue (fixed in 4.3.3-root.io.1)
- devalue (fixed in 4.3.3-aikido.1)
Timeline and source
Published on 8 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
Other advisories for this package
@rootio/devalue has other advisories on record. If you are patching this one, these are worth checking on the same host:
Same weakness in other software
These advisories are the same class of weakness (CWE-1321: Prototype Pollution) in other software:
