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CVE-2026-18794 is an improper input-validation vulnerability in OpenRGB's custom network protocol. The protocol handler accepts inconsistent packet metadata and malformed payload structures, including excessively large declared payload lengths, non-null-terminated strings, oversized array entries, and truncated data. Affected code may allocate memory according to an attacker-declared size before receiving the complete payload, or process malformed structures without adequate bounds validation, resulting in memory exhaustion and out-of-bounds reads or writes. OpenRGB 1.0 release candidates beginning with 1.0rc1 are identified as fully affected; stable 0.9 and likely earlier releases are reported to remain exposed to remote denial-of-service vectors.
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No public exploit code observed for this vulnerability.
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9 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in the OpenRGB network protocol that allows attackers to trigger memory exhaustion and out-of-bounds memory reads and writes using inconsistent data.
An unpatched vulnerability affecting Canonical Ubuntu Linux 26.04 LTS. The provided CVSS vectors indicate unauthenticated network exploitation with low attack complexity, low integrity impact, and high availability impact.
A vulnerability referenced in Gentoo GLSA-202608-30 affecting the OpenRGB package. The content provides no technical flaw description.
A remotely exploitable OpenRGB network-protocol input-validation flaw that can cause denial of service through memory exhaustion as well as out-of-bounds memory reads and writes.
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.