62 行
3.9 KiB
JSON
62 行
3.9 KiB
JSON
{
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"canonical_id": "kibana--844efe5dac",
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"system_id": "kibana",
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"display_name": "Kibana",
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"category": "platforms",
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"advisory_mode": "core",
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"title": "Kibana 8.19.13, 9.2.7, 9.3.2 Security Update (ESA-2026-20)",
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"summary": "<p><strong>Improper Validation of Specified Quantity in Input in Kibana Leading to Denial of Service</strong></p>\n<p>Improper Validation of Specified Quantity in Input (CWE-1284) in the Timelion visualization plugin in Kibana can lead Denial of Service via Excessive Allocation (CAPEC-130). The vulnerability allows an authenticated user to send a specially crafted Timelion expression that overwrites internal series data properties with an excessively large quantity value.</p>\n<p><strong>Affected Versions:</strong></p>\n<ul>\n<li>8.x: All versions from 8.0.0 up to and including 8.19.12</li>\n<li>9.x:\n<ul>\n<li>All versions from 9.0.0 up to and including 9.2.6</li>\n<li>All versions from 9.3.0 up to and including 9.3.1</li>\n</ul>\n</li>\n</ul>\n<p><strong>Affected Configurations:</strong></p>\n<p>The Timelion visualization plugin (visTypeTimelion) is enabled by default in Kibana and is listed under \"Legacy editors\" in the documentation.</p>\n<p><strong>Solutions and Mitigations:</strong></p>\n<p>The issue is resolved in version 8.19.13, 9.2.7, 9.3.2.</p>\n<p><strong>For Users that Cannot Upgrade:</strong></p>\n<p><strong>Self-hosted</strong><br>\nUsers can set this property in the Kibana config YAML file <code>vis_type_timelion.enabled: false</code></p>\n<p><strong>Cloud</strong><br>\nThere are no workaround</p>\n<p><strong>Indicators of Compromise (IOC)</strong></p>\n<p>Look for JavaScript heap out of memory or FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed errors in Kibana server logs, which indicate the Node.js process crashed due to memory exhaustion.</p>\n<p><strong>Elastic Cloud Serverless</strong></p>\n<p>Due to our continuous deployment and patching model, the vulnerability described in this security advisory was remediated in our Elastic Cloud Serverless offering before the public disclosure.</p>\n<p><strong>Severity:</strong> CVSSv3.1: Medium ( 6.5 ) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H<br>\n<strong>CVE ID</strong>: CVE-2026-26940<br>\n<strong>Problem Type:</strong> CWE-1284 - Improper Validation of Specified Quantity in Input<br>\n<strong>Impact:</strong> CAPEC-130 - Excessive Allocation</p>\n <p><small>1 post - 1 participant</small></p>\n <p><a href=\"https://discuss.elastic.co/t/kibana-8-19-13-9-2-7-9-3-2-security-update-esa-2026-20/385535\">Read full topic</a></p>",
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"published_at": "Thu, 19 Mar 2026 16:59:58 +0000",
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"updated_at": "Thu, 19 Mar 2026 16:59:58 +0000",
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"severity": "unknown",
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"cvss_score": null,
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"exploit_status": "unknown",
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"source_confidence": "official",
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"official_source_url": "https://discuss.elastic.co/t/kibana-8-19-13-9-2-7-9-3-2-security-update-esa-2026-20/385535",
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"secondary_source_urls": [],
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"aliases": [],
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"cve_ids": [],
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"ghsa_ids": [],
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"osv_ids": [],
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"affected_versions": [],
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"fixed_versions": [],
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"package_name": null,
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"render_markdown": false,
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"case_path": null,
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"secure_code_topics": [
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"authz-server-side-recheck",
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"xss-output-encoding",
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"proxy-trust-boundary",
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"plugin-extension-trust-policy",
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"dependency-upgrade-policy"
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],
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"status": "triage",
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"triage_reasons": [
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"missing affected/fixed version details"
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],
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"verification_status": "triage-manual",
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"verification_mode": "synthetic",
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"last_verified_at": null,
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"last_run_id": null,
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"evidence_bundle": null,
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"historical_status": null,
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"latest_status": null,
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"browser_evidence": {
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"required": false,
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"present": false,
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"refs": []
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},
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"repro_profile_id": "xss-generic",
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"artifact_mode": "synthetic",
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"blocked_reason": null,
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"metadata": {
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"source_names": [
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"Elastic Security Announcements RSS"
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],
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"source_kinds": [
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"rss-feed"
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],
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"candidate_count": 1
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}
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}
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