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CVE-2026-28299 is an insufficient-memory-handling vulnerability in SolarWinds Web Help Desk. Unauthenticated network interaction with a Web Help Desk endpoint can trigger resource exhaustion, causing the Web Help Desk server to crash. The issue affects Web Help Desk 2026.1 and earlier releases and was addressed in the 2026.2.1 security update.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
18 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A CVSS 8.2 denial-of-service vulnerability in SolarWinds Web Help Desk, fixed in version 2026.2.1. No further technical details are provided.
A high-severity denial-of-service vulnerability in SolarWinds Web Help Desk that can be triggered without authentication, potentially causing resource exhaustion and service crashes.
A high-severity denial-of-service vulnerability in SolarWinds Web Help Desk that could let an attacker crash the server due to insufficient memory handling.
A denial-of-service vulnerability affecting SolarWinds Web Help Desk in versions prior to 2026.2.
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.