CVE-2026-61819— pg_partman SQL注入致权限提升
一分钟漏洞结论
影响对象
pgpartman pg_partman
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
pg_partman is a PostgreSQL extension that manages partitioned tables by time or ID. Prior to 5.5.0, when pg_jobmon is installed and part_config.jobmon is true, exception handlers in multiple pg_partman functions place p_parent_table verbatim inside a SQL strin
影响版本矩阵 1
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| pgpartman | pg_partman | < 5.5.0 |
affected |
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一、 漏洞 CVE-2026-61819 基础信息
漏洞信息
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Vulnerability Title
pg_partman privilege escalation via SQL injection in when using pg_jobmon and encountering exception
来源: CVE Program / CVE List V5
Vulnerability Description
pg_partman is a PostgreSQL extension that manages partitioned tables by time or ID. Prior to 5.5.0, when pg_jobmon is installed and part_config.jobmon is true, exception handlers in multiple pg_partman functions place p_parent_table verbatim inside a SQL string literal used to call pg_jobmon.add_job(). A partman_user can create a parent-table name containing a single quote that terminates the literal and injects SQL when an affected exception path runs. If pg_partman_bgw reaches that path, the injected SQL executes with pg_partman_bgw.role privileges, which default to PostgreSQL superuser, permitting database-wide compromise and operating-system command execution as the PostgreSQL service account. The persistent part_config row can trigger the escalation again on later maintenance ticks. This issue is fixed in version 5.5.0.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| pgpartman | pg_partman | < 5.5.0 | - |
|
二、漏洞 CVE-2026-61819 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-61819 其他参考 (2)
同批安全公告 · pgpartman · 2026-09-18 · 共 7 条
| CVE-2026-61781 | 9.9 CRITICAL | pg_partman SQL注入致特权提升漏洞 |
| CVE-2026-61820 | 8.5 HIGH | pg_partman SQL注入提权漏洞 |
| CVE-2026-61817 | 8.5 HIGH | PostgreSQL扩展pg_partman SQL注入权限提升漏洞 |
| CVE-2026-61818 | 8.5 HIGH | pg_partman时间分区撤销编码器SQL注入漏洞 |
| CVE-2026-61821 | 8.5 HIGH | pg_partman 保留策略跨模式移动表授权绕过漏洞 |
| CVE-2026-61822 | 6.5 MEDIUM | pg_partman 分区维护禁用漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-61819
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