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Back to active CVEs
High · CVSS 8.1Known ExploitedCVE-2025-40536

SolarWinds Web Help Desk Security Control Bypass VulnerabilityCVE-2025-40536

Answer in brief

CVE-2025-40536 records a High severity (CVSS 8.1) vulnerability in SolarWinds Web Help Desk Security Control Bypass Vulnerability. The current sources mark it as known exploited. The current feed maps SolarWinds/Web Help Desk (generic), SolarWinds/Web Help Desk (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jan 28, 2026Updated Feb 26, 2026Source checked Nov 1, 2026First seen by HOL May 24, 2026Material review Feb 26, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.1
Exploitation
Known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.1. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps SolarWinds/Web Help Desk (generic), SolarWinds/Web Help Desk (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
SolarWinds/Web Help Deskgeneric*Not reported
SolarWinds/Web Help Deskgeneric12.8.8 HF1 and belowNot reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for SolarWinds/Web Help Desk, SolarWinds/Web Help Desk.
  2. 2Review the reported fix. Source-reported solution: SolarWinds recommends customers upgrade to Web Help Desk version 2026.1.

Evidence timeline and material changes

  1. Published upstream

    Jan 28, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Feb 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    May 24, 2026

  4. Added to CISA KEV

    Feb 12, 2026

    Evidence: source:kev:kev:kev:record

Sources and claim methodology

  • Source referencedocumentation.solarwinds.com
  • CISA Known Exploited Vulnerabilities catalogcisa.gov
  • Source referencehuntress.com
  • Source referencesolarwinds.com
Upstream source description

SolarWinds Web Help Desk was found to be susceptible to a security control bypass vulnerability that if exploited, could allow an unauthenticated attacker to gain access to certain restricted functionality.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Highflame ramparts 0.8.1 through 0.8.10 Skill Bundle Scan Bypass via Nested .pycAlso CWE-693

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-693
Source
CVE List V5
Source checked
Nov 1, 2026
References
4 linked sources
Open source record