antchfx/xpath · Security
XPath: Boolean expression infinite loop leads to denial of service via CPU exhaustion
- GHSA ID
- GHSA-65xw-vw82-r86x
- CVE ID
- CVE-2026-32287
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Boolean expressions that evaluate to true can cause an infinite loop in logicalQuery.Select, leading to 100% CPU usage. This can be triggered by top-level selectors such as "1=1" or "true()".
CWEs
- CWE-400 · Uncontrolled Resource Consumption
- CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-32287 ↗
- https://github.com/antchfx/xpath/issues/121 ↗
- https://github.com/golang/vulndb/issues/4526 ↗
- https://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494 ↗
- https://pkg.go.dev/vuln/GO-2026-4526 ↗
- https://securityinfinity.com/research/infinite-loop-dos-in-antchfx-xpath-logicalquery-select ↗
- https://github.com/advisories/GHSA-65xw-vw82-r86x ↗