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CVE-2026-63347 is a path traversal vulnerability in suricata-update, the Suricata rule-update utility. The utility did not properly validate destination paths while extracting files referenced by downloaded rule archives. A crafted archive or malformed rules can use traversal sequences to cause extraction outside the configured Suricata rules directory, enabling overwrite of files elsewhere on the system.
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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.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability affecting the Debian suricata-update package. The supplied CVSS v3 vector indicates a network-accessible flaw requiring neither privileges nor user interaction, with high availability impact and no confidentiality or integrity impact. The underlying technical cause is not described.
A network-accessible, low-complexity vulnerability requiring no privileges or user interaction that can compromise integrity. Ubuntu issued USN-8766-1 for affected Ubuntu releases.
A remotely exploitable, low-complexity vulnerability requiring no privileges or user interaction, with high integrity impact. The notice associates it with suricata-update on Debian Linux 13.0.
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.