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CVE-2026-42994 covers a supply-chain compromise affecting Bitwarden CLI version 2026.4.0 when obtained from npm. According to the provided record, packages published between 2026-04-22T21:57Z and 2026-04-22T23:30Z contained embedded malicious code. The incident is linked to a Checkmarx supply-chain incident. The available content does not identify the specific malicious routine, entry point, or vulnerable function beyond noting the presence of embedded malicious code in the distributed npm package.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
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.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.