CVE Watch11 de out. de 2026

CVE-2025-26399

SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability

CVSS

9.8

Crítica

EPSS

90.6%

p100

KEV

SIM

9 de mar. de 2026

Exploit Today

0-100

Publicado: 23 de set. de 2025 · Última mod.: 11 de out. de 2026 · CWE-502

EPSS · 30d

89.5%EPSS · 30 dias90.6%

2026-10-082026-11-05

Ficha do catálogo KEV

Produto

SolarWinds / Web Help Desk

Vulnerabilidade

SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability

Adicionado ao KEV

9 de mar. de 2026

Corrigir até

12 de mar. de 2026

Uso conhecido em ransomware

Sim

Descrição resumida

SolarWinds Web Help Desk contain a deserialization of untrusted data vulnerability in AjaxProxy that could allow an attacker to run commands on the host machine.

Ação necessária

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notas

https://www.solarwinds.com/trust-center/security-advisories/cve-2025-26399 ; https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_12-8-7-hotfix-1_release_notes.htm ; https://nvd.nist.gov/vuln/detail/CVE-2025-26399

Descrição técnica

SolarWinds Web Help Desk was found to be susceptible to an unauthenticated AjaxProxy deserialization remote code execution vulnerability that, if exploited, would allow an attacker to run commands on the host machine. This vulnerability is a patch bypass of CVE-2024-28988, which in turn is a patch bypass of CVE-2024-28986.

Referências oficiais

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