PostgreSQL up to 18.6 vacuumdb untrusted search path
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.9 | $0-$5k | 0.00+ |
Summary
A vulnerability described as critical has been identified in PostgreSQL up to 18.6. This affects an unknown part of the component vacuumdb. The manipulation results in untrusted search path. This vulnerability is known as CVE-2026-116313. Attacking locally is a requirement. No exploit is available. Upgrading the affected component is recommended.
Details
A vulnerability, which was classified as critical, was found in PostgreSQL up to 18.6. Affected is an unknown code block of the component vacuumdb. The manipulation with an unknown input leads to a untrusted search path vulnerability. CWE is classifying the issue as CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Untrusted search path in PostgreSQL vacuumdb allows a database owner to execute arbitrary SQL as the database user running vacuumdb, via shadowing operators used in the --missing-stats-only catalog query. The pg_upgrade documentation recommends an affected vacuumdb invocation. Within major version 18, minor versions before PostgreSQL 18.7 are affected. Versions before PostgreSQL 18 are unaffected.
The advisory is available at postgresql.org. This vulnerability is traded as CVE-2026-116313 since 10/26/2026. The exploitability is told to be difficult. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1574 by the MITRE ATT&CK project.
Upgrading to version 18.7 eliminates this vulnerability.
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Product
Type
Name
Version
License
Website
- Product: https://www.postgresql.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.1VulDB Meta Temp Score: 6.9
VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.2
CNA Vector (PostgreSQL): 🔒
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Untrusted search pathCWE: CWE-426
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: PostgreSQL 18.7
Timeline
10/26/2026 CVE reserved11/12/2026 Advisory disclosed
11/12/2026 VulDB entry created
11/12/2026 VulDB entry last update
Sources
Product: postgresql.orgAdvisory: postgresql.org
Status: Confirmed
CNA: PostgreSQL
CVE: CVE-2026-116313 (🔒)
GCVE (CVE): GCVE-0-2026-116313
GCVE (VulDB): GCVE-100-436350
Entry
Created: 11/12/2026 15:35Changes: 11/12/2026 15:35 (63)
Complete: 🔍
Cache ID: 216::103
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