Quick answers
- Is CVE-2026-120153 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-120153 being exploited in the wild.
- How severe is CVE-2026-120153?
- High severity, with a CVSS score of 7.2, published 12 November 2026.
- Which products and versions are affected?
- PostgreSQL before 14.25, 15.20, 16.16, 17.12, 18.7.
- Is there a fix for CVE-2026-120153?
- Yes: fixed in PostgreSQL 14.25, 15.20, 16.16, 17.12, 18.7. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-120153 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-120153?
- Check whether you run PostgreSQL at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: PostgreSQL 14.25, 15.20, 16.16, 17.12, 18.7
Technical details
SQL injection flaw in PostgreSQL extension-script substitutions allows privilege escalation from CREATE privilege to bootstrap superuser code execution through crafted object names (schema or owner) containing newlines or special substrings. The vulnerability requires a non-bundled extension with a vulnerable script pattern and network access to the database. A fix is available in the patched versions.
Affected products
- PostgreSQL PostgreSQL before 14.25, 15.20, 16.16, 17.12, 18.7
Timeline
- 2026-11-12: disclosed
- 2026-11-12: patched