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High 8.8Published Jul 29, 2026
CVE-2026-18022Integer wraparound in IVFFlat index build in pgvector before 0.8.6 allows a database user to write data out-of-bounds, which could lead to arbitrary code execution.
Updated under an hour ago ()
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It affects pgvector_project pgvector. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Integer wraparound in IVFFlat index build in pgvector before 0.8.6 allows a database user to write data out-of-bounds, which could lead to arbitrary code execution. Only 32-bit systems are affected.
- CVSS
- 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-190, CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Aug 20, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
pgvector_project pgvector pgvector_project:pgvector | before 0.8.6 | NVD |
References
- https://github.com/pgvector/pgvector/commit/636a92a3395d2e036ffd40d07aeb400a708ae104patch
- https://github.com/pgvector/pgvector/issues/1006issue-tracking, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.