What is CVE-2026-32287?

CVE-2026-32287 is a high-severity vulnerability in Antchfx Xpath, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2026-03-26.

How severe is CVE-2026-32287?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Antchfx Xpath

CVE-2026-32287

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()".

Published 2026-03-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.007 · change: +0.002

Affected products

Antchfx Xpath
Github.com/antchfx/xpath — versions 0

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

github.com/antchfx/xpath/issues/121 (Third Party Advisory, Issue Tracking)
github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494 (Patch)
github.com/golang/vulndb/issues/4526 (Third Party Advisory, Issue Tracking)
pkg.go.dev/vuln/GO-2026-4526 (Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-32287?: CVE-2026-32287 is a high-severity vulnerability in Antchfx Xpath, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 7.5/10. Published 2026-03-26.
How severe is CVE-2026-32287?: High severity. CVSS v3 base score is 7.5 out of 10.