CVE-2026-6667— PgBouncer missing authorization check in KILL_CLIENT admin command
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-6667
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
PgBouncer missing authorization check in KILL_CLIENT admin command
Source: NVD (National Vulnerability Database)
Vulnerability Description
PgBouncer before 1.25.2 did not perform an appropriate authorization check for the KILL_CLIENT admin command. All users with access to the administration console (which itself requires authorization) could run this command. It would have been correct to allow only users listed in the admin_users parameter.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
PgBouncer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PgBouncer是PgBouncer社区的一个 PostgreSql 的开源轻量级连接池。 PgBouncer 1.25.2之前版本存在安全漏洞，该漏洞源于未对KILL_CLIENT管理命令执行适当的授权检查，所有有权访问管理控制台的用户均可运行此命令，而应仅允许admin_users参数中列出的用户。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | PgBouncer | 0 ~ 1.25.2 | - |
II. Public POCs for CVE-2026-6667
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-6667
请登录查看更多情报信息。
Same Patch Batch · n/a · 2026-05-09 · 10 CVEs total
| CVE-2026-6665 | 8.1 HIGH | PgBouncer buffer overflow in SCRAM |
| CVE-2026-6664 | 7.5 HIGH | PgBouncer integer overflow in PgBouncer network packet parsing |
| CVE-2026-8193 | 6.3 MEDIUM | Akaunting Invoice PDF Rendering dompdf.php server-side request forgery |
| CVE-2026-6666 | 5.9 MEDIUM | PgBouncer crash in kill_pool_logins_server_error |
| CVE-2026-8186 | 5.3 MEDIUM | Open5GS NF client.c ogs_sbi_client_send_via_scp_or_sepp out-of-bounds |
| CVE-2026-8187 | 5.3 MEDIUM | Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption |
| CVE-2026-8195 | 4.3 MEDIUM | JeecgBoot SVG File CommonController.java cross site scripting |
| CVE-2026-8194 | 4.3 MEDIUM | osTicket Dispatcher class.dispatcher.php cross-site request forgery |
| CVE-2026-8196 | 3.7 LOW | JeecgBoot mLogin Endpoint LoginController.java authorization |
IV. Related Vulnerabilities
Same product: PgBouncer
- CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error - CVE-2026-6665
PgBouncer buffer overflow in SCRAM - CVE-2026-6664
PgBouncer integer overflow in PgBouncer network packet parsi - CVE-2025-12819
Untrusted search path in auth_query connection in PgBouncer - CVE-2025-2291
PgBouncer default auth_query does not take Postgres password
Same weakness: CWE-862
- CVE-2026-2031
Google Cloud Application Integration: Exposed internal APIs - CVE-2026-7563
Classified Listing <= 5.3.10 - Missing Authorization to Auth - CVE-2026-4683
Smartcat Translator for WPML <= 3.1.77 - Missing Authorizati - CVE-2026-4094
FOX – Currency Switcher Professional for WooCommerce <= 1.4. - CVE-2026-6472
PostgreSQL CREATE TYPE does not check multirange schema CREA
V. Comments for CVE-2026-6667
No comments yet