# openGauss vulnerabilities

Source: https://junglewise.ai/threats/vendors/opengauss  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/opengauss.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in openGauss: 0 in the last 7 days and 4 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-111438, was published on 19 October 2026. 4 vulnerabilities in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 4
- Last 90 days: 4
- All time: 5 (0 critical, 0 exploited in the wild)

## About openGauss

An open-source relational database management system based on PostgreSQL.

## Latest openGauss vulnerabilities

- [CVE-2026-111438: openGauss-server replication authentication bypass in hba.cpp](https://junglewise.ai/threats/cve-2026-111438-opengauss-server-src-common-backend-libpq-hba-cpp-hba) (medium, CVSS 6.5, published 19 Oct 2026)
- [CVE-2026-111439: openGauss authorization bypass in pg_read_binary_file_blocks](https://junglewise.ai/threats/cve-2026-111439-opengauss-server-src-common-backend-utils-adt-genfile-cpp-pg) (medium, CVSS 4.3, published 19 Oct 2026)
- [CVE-2026-111440: openGauss JDBC Connector arbitrary class instantiation via logger parameter](https://junglewise.ai/threats/cve-2026-111440-opengauss-connector-jdbc-pgjdbc-src-main-java-org-postgresql-log) (high, CVSS 7, published 19 Oct 2026)
- [CVE-2026-111441: openGauss HllObjectUnpack buffer overflow in HLL parsing](https://junglewise.ai/threats/cve-2026-111441-opengauss-server-src-gausskernel-cbb-utils-hll-hll-cpp) (high, CVSS 8.1, published 19 Oct 2026)
- [CVE-2026-14178: openGauss use-after-free in to_timestamp with NLS parameters](https://junglewise.ai/threats/cve-2026-14178-opengauss-use-after-free-in-to-timestamp-with-nls-parameters) (medium, CVSS 5.9, published 30 Jun 2026)

## Most severe openGauss vulnerabilities

- [CVE-2026-111441: openGauss HllObjectUnpack buffer overflow in HLL parsing](https://junglewise.ai/threats/cve-2026-111441-opengauss-server-src-gausskernel-cbb-utils-hll-hll-cpp) (high, CVSS 8.1, published 19 Oct 2026)
- [CVE-2026-111440: openGauss JDBC Connector arbitrary class instantiation via logger parameter](https://junglewise.ai/threats/cve-2026-111440-opengauss-connector-jdbc-pgjdbc-src-main-java-org-postgresql-log) (high, CVSS 7, published 19 Oct 2026)
- [CVE-2026-111438: openGauss-server replication authentication bypass in hba.cpp](https://junglewise.ai/threats/cve-2026-111438-opengauss-server-src-common-backend-libpq-hba-cpp-hba) (medium, CVSS 6.5, published 19 Oct 2026)
- [CVE-2026-14178: openGauss use-after-free in to_timestamp with NLS parameters](https://junglewise.ai/threats/cve-2026-14178-opengauss-use-after-free-in-to-timestamp-with-nls-parameters) (medium, CVSS 5.9, published 30 Jun 2026)
- [CVE-2026-111439: openGauss authorization bypass in pg_read_binary_file_blocks](https://junglewise.ai/threats/cve-2026-111439-opengauss-server-src-common-backend-utils-adt-genfile-cpp-pg) (medium, CVSS 4.3, published 19 Oct 2026)

## Vulnerabilities per week

4 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 4 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "openGauss vulnerabilities", https://junglewise.ai/threats/vendors/opengauss, 9 November 2026.