CVE-2026-66046
CVE Details
Visit the official vulnerability details page for CVE-2026-66046 to learn more.
Initial Publication
08/18/2026
Last Update
09/18/2026
Third Party Dependency
libexpat
NIST CVE Summary
Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType->defaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.
CVE Severity
Our Official Summary
Investigation is ongoing to determine how this vulnerability affects our products.
Status
Analyzed
Affected Products & Versions
| Version | PaletteAI | PaletteAI VerteX |
|---|---|---|
| 1.4.0 | ⚠️ Impacted | ⚠️ Impacted |
| 1.3.2 | ⚠️ Impacted | ⚠️ Impacted |
| 1.2.2 | ⚠️ Impacted | ⚠️ Impacted |
Revision History
No revisions available.