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CVE-2026-14673 is an untrusted search-path vulnerability in PostgreSQL's amcheck extension. amcheck fails to clear an attacker-controlled search_path when processing affected expression indexes. A role granted EXECUTE privilege on an amcheck function can set a hostile search path before invoking the function, causing resolution and execution of arbitrary functions in the security context of the owner of an affected expression index. PostgreSQL 18 prior to 18.6, 16 prior to 16.15, 15 prior to 15.19, and 14 prior to 14.24 are affected. PostgreSQL 17 is unaffected.
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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.
21 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A PostgreSQL amcheck flaw that does not clear an untrusted search path.
A PostgreSQL vulnerability that can be exploited remotely with low attack complexity by an attacker holding high privileges, resulting in low confidentiality and integrity impact. Patches were published on 2026-08-13.
A PostgreSQL amcheck vulnerability caused by failure to clear an untrusted search path.
A PostgreSQL amcheck flaw that does not clear an untrusted search path.
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.