SQL Injection vulnerability in ClickHouse Server Versions <= 26.3.9.8 allows a remote attacker to execute arbitrary code via the create dictionaries function.
This CVE has been withdrawn by MITRE
MITRE marked CVE-2026-51992 as REJECTED on . It is no longer considered a valid vulnerability record. The original content below is preserved for historical reference only.
This CVE ID has been rejected or withdrawn by its CVE Numbering Authority. ClickHouse's PostgreSQL integration intentionally allows users with valid PostgreSQL credentials to execute queries against a remote PostgreSQL server. No vulnerability in ClickHouse is exploited; code execution occurs on the downstream PostgreSQL server using credentials explicitly provided by the user with specific pg_execute_server_program permission, exploiting a feature that was wrongly reported as CVE-2019-9193 in…
CVE-2026-51992
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.1
- EchelonGraph score
- Not yet assessedThis CVE record was withdrawn by its numbering authority, so there is no vulnerability to rate.
- EG Score
- —
- EG Risk
- —
- EPSS PROB
- 1%
- EPSS %ILE
- 41%
- KEV
- Not listed
Published
July 29, 2026
Last Modified
August 5, 2026
Advisory Details (2)
Auto-updated Aug 29, 2026CREATE DICTIONARY - ClickHouse Documentation
https://clickhouse.com/docs/sql-reference/dictionaries#postgresqlVendor Advisories for CVE-2026-51992(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 2× in last 7d / 58× 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.
- 2026-08-29 23:28 UTCGHSA enrichment
- 2026-08-26 06:49 UTCGHSA enrichment
- 2026-08-23 11:10 UTCGHSA enrichment
- 2026-08-20 15:34 UTCGHSA enrichment
- 2026-08-17 19:56 UTCGHSA enrichment
- 2026-08-14 22:43 UTCGHSA enrichment
- 2026-08-12 03:08 UTCGHSA enrichment
- 2026-08-09 07:32 UTCGHSA enrichment
- 2026-08-06 11:56 UTCEG score recompute▼ 9.10
- 2026-08-06 11:56 UTCGHSA enrichment
- 2026-08-06 08:13 UTCGHSA enrichment
- 2026-08-06 04:30 UTCGHSA enrichment
- 2026-08-06 00:47 UTCGHSA enrichment
- 2026-08-05 21:04 UTCEG score recompute
- 2026-08-05 21:04 UTCGHSA enrichment
- 2026-08-05 19:17 UTCEPSS rescore
- 2026-08-05 17:21 UTCGHSA enrichment
- 2026-08-05 14:35 UTCGHSA enrichment
- 2026-08-05 10:52 UTCGHSA enrichment
- 2026-08-05 07:10 UTCGHSA enrichment
- 2026-08-05 03:24 UTCGHSA enrichment
- 2026-08-04 23:41 UTCGHSA enrichment
- 2026-08-04 19:58 UTCGHSA enrichment
- 2026-08-04 16:15 UTCEG score recompute
- 2026-08-04 16:15 UTCGHSA enrichment
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- 2026-08-04 15:10 UTCEPSS rescore
- 2026-08-04 12:32 UTCEG score recompute
- 2026-08-04 12:32 UTCGHSA enrichment
- 2026-08-04 10:39 UTCEPSS rescore
- 2026-08-04 06:58 UTCGHSA enrichment
- 2026-08-04 03:14 UTCGHSA enrichment
- 2026-08-03 23:31 UTCGHSA enrichment
- 2026-08-03 19:38 UTCGHSA enrichment
- 2026-08-03 15:55 UTCGHSA enrichment
- 2026-08-03 12:12 UTCEG score recompute
- 2026-08-03 12:12 UTCGHSA enrichment
- 2026-08-03 10:36 UTCEPSS rescore
- 2026-08-03 08:26 UTCGHSA enrichment
- 2026-08-03 04:41 UTCGHSA enrichment
- 2026-08-03 00:58 UTCGHSA enrichment
- 2026-08-02 21:15 UTCGHSA enrichment
- 2026-08-02 17:32 UTCGHSA enrichment
- 2026-08-02 13:49 UTCGHSA enrichment
- 2026-08-02 10:06 UTCGHSA enrichment
- 2026-08-02 06:23 UTCGHSA enrichment
- 2026-08-02 02:40 UTCEG score recompute
- 2026-08-02 02:40 UTCGHSA enrichment
- 2026-08-02 02:27 UTCEPSS rescore
- 2026-08-01 22:57 UTCGHSA enrichment
- 2026-08-01 19:14 UTCGHSA enrichment
- 2026-08-01 15:31 UTCGHSA enrichment
- 2026-08-01 11:48 UTCGHSA enrichment
- 2026-08-01 08:05 UTCGHSA enrichment
- 2026-08-01 04:22 UTCEG score recompute
- 2026-08-01 04:21 UTCGHSA enrichment
- 2026-08-01 04:16 UTCEPSS rescore
- 2026-08-01 00:39 UTCGHSA enrichment
- 2026-07-31 20:54 UTCGHSA enrichment
- 2026-07-31 17:09 UTCGHSA enrichment
- 2026-07-31 13:26 UTCGHSA enrichment
- 2026-07-31 09:42 UTCGHSA enrichment
- 2026-07-31 05:58 UTCGHSA enrichment
- 2026-07-31 02:15 UTCGHSA enrichment
- 2026-07-30 22:27 UTCGHSA enrichment
- 2026-07-30 18:45 UTCEG score recompute
- 2026-07-30 18:45 UTCGHSA enrichment
- 2026-07-30 16:28 UTCEPSS rescore
- 2026-07-30 14:38 UTCGHSA enrichment
- 2026-07-30 11:09 UTCEG score recompute
- 2026-07-30 11:09 UTCGHSA enrichment
- 2026-07-30 07:26 UTCGHSA enrichment
- 2026-07-30 03:03 UTCGHSA enrichment
- 2026-07-29 23:20 UTCEG score recompute
- 2026-07-29 23:19 UTCGHSA enrichment
- 2026-07-29 19:33 UTCGHSA enrichment
- 2026-07-29 18:34 UTCEG score recompute▲ 9.10
- 2026-07-29 18:34 UTCGHSA enrichment
- 2026-07-29 18:32 UTCMITRE cvelistV5CVSS v3 → 9.1 · severity → CRITICAL
- 2026-07-29 17:25 UTCNVD update
- 2026-07-29 16:38 UTCEG score recompute
- 2026-07-29 16:37 UTCMITRE cvelistV5first tracked
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Frequently asked(5)
What is CVE-2026-51992?
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What is the CVSS score of CVE-2026-51992?
How do I remediate CVE-2026-51992?
Dependency Blast Radius
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