A flaw in Elasticsearch allows a low-privileged authenticated user who can index documents to submit a single small document containing a crafted user-supplied input. Processing one such document occupies a worker thread from a bounded pool for a disproportionate amount of time, degrading the availability of indexing operations on the affected node.
CVE-2026-72685
Score 4.3 from GitHub Security Advisory published 2026-08-13. a secondary CVSS source baseline 4.3; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.3
- EG Score
- 4.3(high)
- EG Risk
- 19(Track)EG Risk 19/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity43% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 18%
- KEV
- Not listed
Published
August 13, 2026
Last Modified
August 13, 2026
Advisory Details (1)
Auto-updated Aug 13, 2026Elasticsearch 8.19.20, 9.4.5 Security Update (ESA-2026-77) - Security Announcements - Discuss the Elastic Stack
https://discuss.elastic.co/t/elasticsearch-8-19-20-9-4-5-security-update-esa-2026-77/389500Vendor Advisories for CVE-2026-72685(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 22× in last 7d / 27× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-08-20 22:56 UTCEPSS rescore
- 2026-08-20 19:28 UTCGHSA enrichment
- 2026-08-19 19:44 UTCEG score recompute
- 2026-08-19 19:44 UTCGHSA enrichment
- 2026-08-19 17:04 UTCEPSS rescore
- 2026-08-18 20:00 UTCEG score recompute
- 2026-08-18 20:00 UTCGHSA enrichment
- 2026-08-18 13:49 UTCEPSS rescore
- 2026-08-18 13:49 UTCEPSS rescore
- 2026-08-17 20:17 UTCEG score recompute
- 2026-08-17 20:17 UTCGHSA enrichment
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-16 20:34 UTCEG score recompute
- 2026-08-16 20:34 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 02:15 UTCEPSS rescore
- 2026-08-15 20:51 UTCEG score recompute
- 2026-08-15 20:51 UTCGHSA enrichment
- 2026-08-15 01:31 UTCEPSS rescore
- 2026-08-14 21:07 UTCEG score recompute
- 2026-08-14 21:07 UTCGHSA enrichment
- 2026-08-13 21:23 UTCEG score recompute
- 2026-08-13 20:58 UTCEG score recompute
- 2026-08-13 20:22 UTCEG score recompute
Show 2 moreShow fewer
- 2026-08-13 19:23 UTCEG score recompute
- 2026-08-13 19:21 UTCMITRE cvelistV5first tracked
Frequently asked(5)
What is CVE-2026-72685?
When was CVE-2026-72685 disclosed?
Is CVE-2026-72685 actively exploited?
What is the CVSS score of CVE-2026-72685?
How do I remediate CVE-2026-72685?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-72685
Is Your Infrastructure Affected by CVE-2026-72685?
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