Infinite loop in github.com/antchfx/xpath
Boolean XPath 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()".
02 / AFFECTED SOFTWARE
Affected packages
26 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Boolean XPath 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()".
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()".
Boolean XPath 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()".
05 / REFERENCES
Further evidence
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32287.json
- https://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494
- https://github.com/antchfx/xpath/issues/121
- https://github.com/golang/vulndb/issues/4526
- https://nvd.nist.gov/vuln/detail/CVE-2026-32287
- https://pkg.go.dev
- https://pkg.go.dev/vuln/GO-2026-4526
- https://securityinfinity.com/research/infinite-loop-dos-in-antchfx-xpath-logicalquery-select
- https://github.com/antchfx/xpath