CVE-2026-32287: Infinite loop in github.com/antchfx/xpath
Vulnerability summary
CVE-2026-32287 is a high (CVSS 7.5) Loop with Unreachable Exit Condition vulnerability in antchfx xpath. EPSS estimates a 0.54% chance of exploitation in the next 30 days, higher than 45.4% of scored vulnerabilities. 1 public exploit is recorded.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Duplicates 1 · Related 3Timeline
- 26-03-2026PublishedVulnerability first disclosed.
- 30-03-2026Last modifiedVulnerability information updated.
Description
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()".
CVSS metrics
7 scores · 7 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · WolfiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · GoEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.54%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
Decrease -0.16 pp
From 0.69% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (securityinfinity.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Chainguard143 products
- amazon-cloudwatch-agent< 1.300066.0-r1
- amazon-cloudwatch-agent-fips< 1.300066.0-r1
- aws-otel-collector< 0.47.0-r10
- aws-otel-collector-fips< 0.47.0-r6
- crossplane-provider-aws-acm< 2.5.0-r3
Wolfi38 products
- amazon-cloudwatch-agent< 1.300066.0-r1
- aws-otel-collector< 0.47.0-r10
- crossplane-provider-aws-cloudformation< 2.5.0-r3
- crossplane-provider-aws-cloudfront< 2.5.0-r3
- crossplane-provider-aws-cloudwatchlogs< 2.5.0-r3
Antchfx1 product
- xpath< 1.3.6
Debian1 product
- golang-github-antchfx-xpathAll versions (No fix recorded) | < 1.3.6-1
Github.com/antchfx1 product
- xpath< 1.3.6
Github.com/antchfx/xpath1 product
- github.com/antchfx/xpath< 1.3.6
Ubuntu1 product
- golang-github-antchfx-xpathAll versions (No fix recorded)
7 vendors · 186 products
References
12 links- securityinfinity.com/research/infinite-loop-dos-in-antchfx-xpath-logicalquery-selectExploitEVIDENCEWEBThird Party Advisory
- pkg.go.devWEB
Show all 12 references
- github.com/antchfx/xpathPACKAGE