boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2025-26399CRITICAL
SolarWinds Web Help Desk Deserialization of Untrusted Data Privilege Escalation Vulnerability
  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS   %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .8833   99.8   YES
AFFECTED
  Product        Versions            Fixed
  Web Help Desk  12.8.7 and below –  —
TIMELINE
  Feb 8   Reserved by SolarWinds
  Mar 9   Added to CISA KEV, remediation due 2026-03-12
  Mar 9   Published (CNA: SolarWinds)
CWE-502 · CNA: SolarWinds · CVSS v3.1 · 4 references · KEV due March 12, 2026

Description

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.

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
February 8, 2025ReservedReserved by SolarWinds
March 9, 2026KEV ADDEDAdded to CISA KEV, remediation due 2026-03-12
March 9, 2026PublishedPublished (CNA: SolarWinds)

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
SolarWindsWeb Help Desk12.8.7 and below

Weaknesses

CWE-502

References (4)

Related

Authoritative record: CVE-2025-26399 at cve.org

Vendors: solarwinds

Weaknesses: CWE-502

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-26399 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.