Is CVE-2026-34400 actively exploited?

No active exploitation of CVE-2026-34400 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-34400 be exploited remotely?

Yes. CVE-2026-34400 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-34400?

CVE-2026-34400 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2026-34400

CWE-89Published: March 31, 2026· Updated: Apr 3, 2026

9.8

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:1.5th

Official 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.

NVD Source

Technical Analysis

CVE-2026-34400 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.