Red Hat Security Advisory: postgresql18-pgvector security update
Affects Red Hat postgresql18-pgvectorSource GCVE Database
Not known to be exploited · CVSS 8.8 High : upgrade Red Hat pgvector to 0.8.7 soon.
Data as of 2 Nov 2026, 06:30 UTC
- Patch
- Available – fixed in 0.8.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 1 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 1 Nov 2026.
What to do
Upgrade pgvector and pgvector/pgvector to 0.8.7.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| pgvector | Affected
| Fixed in
|
GitHubpgvector/pgvectorpkg:github/pgvector/pgvectorOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has released updated postgresql18-pgvector packages that fix this vulnerability. Users of Red Hat Enterprise Linux 10.2 Extended Update Support and related variants should apply the security update as detailed in Red Hat advisory RHSA-2026:88360. Refer to https://access.redhat.com/articles/11258 for update instructions. No additional mitigation steps are indicated beyond applying the official patch.
Description
A security vulnerability in the pgvector extension for PostgreSQL allows arbitrary code execution due to an out-of-bounds write during the IVFFlat index build process. This issue affects the postgresql18-pgvector package on Red Hat Enterprise Linux 10.2 Extended Update Support and related variants. Red Hat has released an important security update to address this flaw.