CVE-2026-4645
Github.com/antchfx/xpath: xpath: denial of service via crafted boolean xpath expressions
Description
Rejected reason: Duplicate of CVE-2026-32287
INFO
Published Date :
March 23, 2026, 2:16 p.m.
Last Modified :
March 30, 2026, 8:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-4645
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 53f830b8-0a3f-465b-8143-3b8a9948e749 | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | MITRE-CVE |
Solution
- Update the github.com/antchfx/xpath component.
- Review and test all XPath expressions.
- Monitor system CPU utilization.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-4645 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-4645 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Rejected by [email protected]
Mar. 30, 2026
Action Type Old Value New Value -
CVE Modified by [email protected]
Mar. 30, 2026
Action Type Old Value New Value Changed Description A flaw was found in the `github.com/antchfx/xpath` component. A remote attacker could exploit this vulnerability by submitting crafted Boolean XPath expressions that evaluate to true. This can cause an infinite loop in the `logicalQuery.Select` function, leading to 100% CPU utilization and a Denial of Service (DoS) condition for the affected system. Rejected reason: Duplicate of CVE-2026-32287 Removed CVSS V3.1 Red Hat, Inc.: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Removed CWE Red Hat, Inc.: CWE-835 Removed Reference Red Hat, Inc.: https://access.redhat.com/security/cve/CVE-2026-4645 Removed Reference Red Hat, Inc.: https://bugzilla.redhat.com/show_bug.cgi?id=2450214 Removed Reference Red Hat, Inc.: https://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494 Removed Reference Red Hat, Inc.: https://github.com/antchfx/xpath/issues/121 Removed Reference Red Hat, Inc.: https://github.com/golang/vulndb/issues/4526 -
New CVE Received by [email protected]
Mar. 23, 2026
Action Type Old Value New Value Added Description A flaw was found in the `github.com/antchfx/xpath` component. A remote attacker could exploit this vulnerability by submitting crafted Boolean XPath expressions that evaluate to true. This can cause an infinite loop in the `logicalQuery.Select` function, leading to 100% CPU utilization and a Denial of Service (DoS) condition for the affected system. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-835 Added Reference https://access.redhat.com/security/cve/CVE-2026-4645 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2450214 Added Reference https://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494 Added Reference https://github.com/antchfx/xpath/issues/121 Added Reference https://github.com/golang/vulndb/issues/4526