SQL Injection in Alerta
CVE-2026-34400
Alerta is a monitoring tool. Prior to version 9.1.0, the Query string search API (q=) was vulnerable to SQL injection via the Postgres query parser, which built WHERE clauses by interpolating user-supplied search terms directly into SQL strings via f-strings. This issue has been patched in version 9.1.0.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Alerta — versions < 9.1.0
- Alerta Project
Weakness classification (CWE)
References
- github.com/alerta/alerta/security/advisories/GHSA-8prr-286p-4w7j (Vendor Advisory)
- github.com/alerta/alerta/pull/2040 (Patch, Issue Tracking)
- github.com/alerta/alerta/pull/712 (Patch, Issue Tracking)
- github.com/alerta/alerta/commit/aeba85a37a09e5769a7a2da56481aa979ff99a00 (Patch)
- github.com/alerta/alerta/commit/fdd52cd1abad8d02d1dfb8ecdcdbb43b6af3b883 (Patch)
- github.com/alerta/alerta/releases/tag/v9.1.0 (Product, Release Notes)
Frequently asked questions
- What is CVE-2026-34400?
- CVE-2026-34400 is a critical-severity vulnerability in Alerta, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-03-31.
- How severe is CVE-2026-34400?
- Critical severity. CVSS v3 base score is 9.8 out of 10.