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CVE-2026-33468 is an SQL injection vulnerability in Kysely, a type-safe TypeScript SQL query builder, affecting versions prior to 0.28.14. The flaw is in DefaultQueryCompiler.sanitizeStringLiteral(), which escapes single quotes by doubling them but does not escape backslashes. In the MySQL dialect, where NO_BACKSLASH_ESCAPES is OFF by default, a crafted backslash can escape the trailing quote of a generated string literal, allowing an attacker to break out of the intended string context and inject arbitrary SQL. The issue affects code paths that inline values through ImmediateValueTransformer, specifically CreateIndexBuilder.where() and CreateViewBuilder.as().
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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.
If you can’t patch tonight, do this now.
ImmediateValueTransformer, particularly CreateIndexBuilder.where() and CreateViewBuilder.as(). Where feasible, avoid MySQL configurations in which backslash escaping is interpreted for string literals, and prefer safer query construction patterns that do not inline attacker-controlled values into SQL literals.Patch, then assume compromise.
CreateIndexBuilder.where() and CreateViewBuilder.as(), and validate that no untrusted input is passed into generated SQL in vulnerable versions.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.
6 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.