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CVE-2026-23736

🔴 HIGH

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...

Published
Jan 21, 2026
Last Modified
Jan 26, 2026
Views
8
Bookmarks
0

Description

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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.

CVSS Scores

CVSS 3.1 7.3
7.3
HIGH
CVSS 2.0 7.3

References

github.com github.com

Additional Information

Source
security-advisories@github.com
State
Awaiting analysis

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