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CVE-2026-49430 is an OpenZFS vulnerability in handling of the internal "$hasrecvd" property during ZFS receive processing. According to the provided context, a local user with the delegated ZFS "receive" permission can trigger kernel memory corruption by invoking ZFS_IOC_RECV_NEW with a crafted receive stream in heal mode. The issue is described in FreeBSD’s OpenZFS advisory set as one of the flaws related to improper handling of "$hasrecvd" property state during receive operations.
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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.
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.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An OpenZFS vulnerability related to handling of the '$hasrecvd' property.
An OpenZFS vulnerability in FreeBSD related to handling of the "$hasrecvd" property; the notice says it is not considered dangerous.
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.