9.8
CVE-2026-23736
- EPSS 0.25%
- Veröffentlicht 21.01.2026 23:01:10
- Zuletzt bearbeitet 27.02.2026 19:36:50
- Quelle security-advisories@github.com
- CVE-Watchlists
- Unerledigt
Loginseroval Affected by Prototype Pollution via JSON Deserialization
seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. In versions 1.4.0 and below, due to improper input validation, a malicious object key can lead to prototype pollution during JSON deserialization. This vulnerability affects only JSON deserialization functionality. This issue is fixed in version 1.4.1.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.25% | 0.156 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 9.8 | 3.9 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| security-advisories@github.com | 7.3 | 3.9 | 3.4 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
|
CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.
https://github.com/lxsmnsyc/seroval/security/advisories/GHSA-hj76-42vx-jwp4
https://github.com/lxsmnsyc/seroval/commit/ce9408ebc87312fcad345a73c172212f2a798060