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CVE-2026-46833 is a critical vulnerability in the Net Service component of Oracle Database Server affecting supported versions 23.4.0 through 23.26.2. The flaw is reachable by an unauthenticated attacker over the network via TLS and is rated as difficult to exploit, but successful exploitation can compromise and take over Net Service. Oracle indicates a scope change, meaning the security impact can extend beyond the vulnerable component and significantly affect additional products. Publicly available information does not disclose the precise root cause or vulnerable function, but the issue is associated with the Oracle Net Services TLS handling path used for database connectivity.
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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.
No public exploits tracked yet. Mallory keeps watching.
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.
15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A remotely exploitable unauthenticated vulnerability in the Oracle Database Server Net Service component affecting versions 23.4.0 through 23.26.2.
A critical unauthenticated remote vulnerability in Oracle Net Service that can be exploited over TLS and affects the host environment.
A critical vulnerability in the Net Service component of Oracle Database Server that allows an unauthenticated network attacker via TLS to compromise and potentially take over Net Service, with scope change affecting additional products.
A critical unauthenticated remote vulnerability in Oracle Net Services over TLS that can enable full takeover and impact additional products beyond the vulnerable component due to scope change.
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.