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CVE-2026-28323 is a critical improper authentication vulnerability in SolarWinds Web Help Desk that affects deployments with SAML 2.0 authentication enabled. The flaw allows a remote unauthenticated attacker to craft or relay a malicious SAML response to the SAML Assertion Consumer Service endpoint and establish an authenticated session without valid credentials. Affected versions include Web Help Desk 2026.1 and earlier. The issue was fixed in Web Help Desk 2026.2.1.
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15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A critical authentication bypass vulnerability in SolarWinds Web Help Desk when SAML 2.0 authentication is enabled, allowing a remote unauthenticated attacker to establish a session without valid credentials via a malicious or relayed SAMLResponse.
An authentication bypass vulnerability affecting SolarWinds Web Help Desk's SAML authentication functionality.
A critical SAML authentication bypass vulnerability in SolarWinds Web Help Desk that could allow unauthorized access to vulnerable instances without completing the expected SAML login process.
A SAML authentication bypass vulnerability affecting SolarWinds Web Help Desk when SAML 2.0 authentication is enabled.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.