{"id":"CVE-2026-32287","state":"PUBLISHED","title":"Infinite loop in github.com/antchfx/xpath","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()\".","publishedAt":"2026-03-26T19:40:52.142Z","updatedAt":"2026-03-30T14:55:05.920Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Go","products":["github.com/antchfx/xpath github.com/antchfx/xpath"],"affected":[{"vendor":"github.com/antchfx/xpath","product":"github.com/antchfx/xpath","packageName":"github.com/antchfx/xpath","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.3.6","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"logicalQuery.Select"},{"name":"Expr.Evaluate"},{"name":"NodeIterator.MoveNext"},{"name":"ancestorQuery.Evaluate"},{"name":"ancestorQuery.Select"},{"name":"attributeQuery.Evaluate"},{"name":"attributeQuery.Select"},{"name":"booleanQuery.Evaluate"},{"name":"booleanQuery.Select"},{"name":"cachedChildQuery.Evaluate"},{"name":"cachedChildQuery.Select"},{"name":"childQuery.Evaluate"},{"name":"childQuery.Select"},{"name":"descendantOverDescendantQuery.Evaluate"},{"name":"descendantOverDescendantQuery.Select"},{"name":"descendantQuery.Evaluate"},{"name":"descendantQuery.Select"},{"name":"filterQuery.Evaluate"},{"name":"filterQuery.Select"},{"name":"followingQuery.Evaluate"},{"name":"followingQuery.Select"},{"name":"functionQuery.Evaluate"},{"name":"groupQuery.Evaluate"},{"name":"groupQuery.Select"},{"name":"lastFuncQuery.Evaluate"},{"name":"logicalQuery.Evaluate"},{"name":"mergeQuery.Evaluate"},{"name":"mergeQuery.Select"},{"name":"numericQuery.Evaluate"},{"name":"parentQuery.Evaluate"},{"name":"parentQuery.Select"},{"name":"precedingQuery.Evaluate"},{"name":"precedingQuery.Select"},{"name":"selfQuery.Evaluate"},{"name":"selfQuery.Select"},{"name":"transformFunctionQuery.Evaluate"},{"name":"transformFunctionQuery.Select"},{"name":"unionQuery.Evaluate"},{"name":"unionQuery.Select"}]}],"references":["https://github.com/antchfx/xpath/issues/121","https://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494","https://github.com/golang/vulndb/issues/4526","https://pkg.go.dev/vuln/GO-2026-4526","https://securityinfinity.com/research/infinite-loop-dos-in-antchfx-xpath-logicalquery-select"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/32xxx/CVE-2026-32287.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-32287","state":"PUBLISHED","datePublished":"2026-03-26T19:40:52.142Z","dateUpdated":"2026-03-30T14:55:05.920Z","assignerShortName":"Go","assignerOrgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateReserved":"2026-03-11T16:38:46.556Z"},"containers":{"cna":{"title":"Infinite loop in github.com/antchfx/xpath","descriptions":[{"lang":"en","value":"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()\"."}],"affected":[{"vendor":"github.com/antchfx/xpath","product":"github.com/antchfx/xpath","packageName":"github.com/antchfx/xpath","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.3.6","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","programRoutines":[{"name":"logicalQuery.Select"},{"name":"Expr.Evaluate"},{"name":"NodeIterator.MoveNext"},{"name":"ancestorQuery.Evaluate"},{"name":"ancestorQuery.Select"},{"name":"attributeQuery.Evaluate"},{"name":"attributeQuery.Select"},{"name":"booleanQuery.Evaluate"},{"name":"booleanQuery.Select"},{"name":"cachedChildQuery.Evaluate"},{"name":"cachedChildQuery.Select"},{"name":"childQuery.Evaluate"},{"name":"childQuery.Select"},{"name":"descendantOverDescendantQuery.Evaluate"},{"name":"descendantOverDescendantQuery.Select"},{"name":"descendantQuery.Evaluate"},{"name":"descendantQuery.Select"},{"name":"filterQuery.Evaluate"},{"name":"filterQuery.Select"},{"name":"followingQuery.Evaluate"},{"name":"followingQuery.Select"},{"name":"functionQuery.Evaluate"},{"name":"groupQuery.Evaluate"},{"name":"groupQuery.Select"},{"name":"lastFuncQuery.Evaluate"},{"name":"logicalQuery.Evaluate"},{"name":"mergeQuery.Evaluate"},{"name":"mergeQuery.Select"},{"name":"numericQuery.Evaluate"},{"name":"parentQuery.Evaluate"},{"name":"parentQuery.Select"},{"name":"precedingQuery.Evaluate"},{"name":"precedingQuery.Select"},{"name":"selfQuery.Evaluate"},{"name":"selfQuery.Select"},{"name":"transformFunctionQuery.Evaluate"},{"name":"transformFunctionQuery.Select"},{"name":"unionQuery.Evaluate"},{"name":"unionQuery.Select"}]}],"references":[{"url":"https://github.com/antchfx/xpath/issues/121"},{"url":"https://github.com/antchfx/xpath/commit/afd4762cc342af56345a3fb4002a59281fcab494"},{"url":"https://github.com/golang/vulndb/issues/4526"},{"url":"https://pkg.go.dev/vuln/GO-2026-4526"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')"}]}],"providerMetadata":{"shortName":"Go","orgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateUpdated":"2026-03-26T19:40:52.142Z"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://securityinfinity.com/research/infinite-loop-dos-in-antchfx-xpath-logicalquery-select","tags":["exploit"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-03-30T14:12:30.141178Z","id":"CVE-2026-32287","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-30T14:55:05.920Z"}}]}}}