PT-2026-3878 · Seroval · Seroval

Lxsmnsyc + 1 · Publicado 2026-01-21 · Atualizado 2026-02-27 · CVE-2026-23736

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Crítica

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions seroval versions 1.4.0 and below

Description seroval provides JavaScript value stringification, handling complex structures beyond the capabilities of JSON.stringify. A flaw in input validation in versions 1.4.0 and below can lead to prototype pollution during JSON deserialization when processing malicious object keys. This issue specifically impacts the JSON deserialization functionality.

Recommendations Update to version 1.4.1 or later.

Exploit

Correção

Prototype Pollution

Enumeração de Fraquezas

CWE-1321

Identificadores relacionados

CVE-2026-23736

GHSA-HJ76-42VX-JWP4

Produtos afetados

Seroval

Referências · 10

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23736.json · Exploit
• https://github.com/lxsmnsyc/seroval/commit/ce9408ebc87312fcad345a73c172212f2a798060 · Correção
• https://github.com/lxsmnsyc/seroval/security/advisories/GHSA-hj76-42vx-jwp4 · Aviso do Fabricante
• https://github.com/lxsmnsyc/seroval · Nota
• https://osv.dev/vulnerability/GHSA-hj76-42vx-jwp4 · Aviso do Fabricante
• https://t.me/cveNotify/153576 · Publicação no Telegram
• https://t.me/cveNotify/149492 · Publicação no Telegram
• https://twitter.com/CVEnew/status/2014116173932110161 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2026-23736 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2026-23736 · Aviso do Fabricante