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ExploitedIn CISA KEVFix available

CVE-2025-40536

SolarWinds Web Help Desk Security Control Bypass Vulnerability

Exploitation confirmed. First attested on 2026-02-12 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2026-01-28
  • Fixed in2026.1
  • WeaknessCWE-693

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2026-01-2808:16CVE publishedNVD
  2. 2026-02-12Added to the CISA KEV catalogCISA KEV
  3. 2026-02-12Listed as exploited by GCVEGCVE
  4. 2026-02-12Exploitation first reportedCISA KEV
  5. 2026-02-1304:56SSVC exploitation set to activeCISA-ADP

Versions per branch

NVD
Solarwinds web help desk
BranchAffectedFixed in
2026.1< 2026.12026.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As SolarWinds, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • SolarWinds Web Help Deskother versions: affected
    Affected
    • = 12.8.8 HF1 and belowno fix stated

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-01-28

Fix

  1. Update Solarwinds web help desk to 2026.1
  2. CISA’s required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.due 2026-02-15

Advisories and patches

Detection

read 2026-11-01 01:02 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
1 moduleexploit/multi/http/solarwinds_webhelpdesk_rcerank: greatModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2026-02-12
Patch Due Date
2026-02-15
Ransomware Use
Unknown
Required Action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2026-01-28
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-m83h-48rr-jcrh

Frequently asked questions

What is CVE-2025-40536?

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.

Is CVE-2025-40536 actively exploited?

Yes. CVE-2025-40536 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-02-15.

What is the CVSS score for CVE-2025-40536?

CVE-2025-40536 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record