CVE-2026-34400
alerta-server has potential SQL Injection vulnerability in Query String Syntax (q=) API
Description
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.
INFO
Published Date :
March 31, 2026, 10:16 p.m.
Last Modified :
April 10, 2026, 1:41 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update Alerta to version 9.1.0 or later.
- Review and sanitize all user inputs.
- Avoid direct string interpolation in SQL queries.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-34400.
| URL | Resource |
|---|---|
| https://github.com/alerta/alerta/commit/aeba85a37a09e5769a7a2da56481aa979ff99a00 | Patch |
| https://github.com/alerta/alerta/commit/fdd52cd1abad8d02d1dfb8ecdcdbb43b6af3b883 | Patch |
| https://github.com/alerta/alerta/pull/2040 | Issue Tracking Patch |
| https://github.com/alerta/alerta/pull/712 | Issue Tracking Patch |
| https://github.com/alerta/alerta/releases/tag/v9.1.0 | Product Release Notes |
| https://github.com/alerta/alerta/security/advisories/GHSA-8prr-286p-4w7j | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-34400 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-34400
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-34400 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-34400 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 10, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:alerta_project:alerta:*:*:*:*:*:*:*:* versions up to (excluding) 9.1.0 Added Reference Type GitHub, Inc.: https://github.com/alerta/alerta/commit/aeba85a37a09e5769a7a2da56481aa979ff99a00 Types: Patch Added Reference Type GitHub, Inc.: https://github.com/alerta/alerta/commit/fdd52cd1abad8d02d1dfb8ecdcdbb43b6af3b883 Types: Patch Added Reference Type GitHub, Inc.: https://github.com/alerta/alerta/pull/2040 Types: Issue Tracking, Patch Added Reference Type GitHub, Inc.: https://github.com/alerta/alerta/pull/712 Types: Issue Tracking, Patch Added Reference Type GitHub, Inc.: https://github.com/alerta/alerta/releases/tag/v9.1.0 Types: Product, Release Notes Added Reference Type GitHub, Inc.: https://github.com/alerta/alerta/security/advisories/GHSA-8prr-286p-4w7j Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Apr. 03, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H -
New CVE Received by [email protected]
Mar. 31, 2026
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-89 Added Reference https://github.com/alerta/alerta/commit/aeba85a37a09e5769a7a2da56481aa979ff99a00 Added Reference https://github.com/alerta/alerta/commit/fdd52cd1abad8d02d1dfb8ecdcdbb43b6af3b883 Added Reference https://github.com/alerta/alerta/pull/2040 Added Reference https://github.com/alerta/alerta/pull/712 Added Reference https://github.com/alerta/alerta/releases/tag/v9.1.0 Added Reference https://github.com/alerta/alerta/security/advisories/GHSA-8prr-286p-4w7j