What is CVE-2026-121433?

CVE-2026-121433 is a medium-severity vulnerability in Azuracast, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 5.4/10. Published 2026-11-03.

How severe is CVE-2026-121433?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Azuracast

CVE-2026-121433

AzuraCast before 0.24.0 contains a stored CSV formula injection vulnerability that allows station users with Media permission to persist formula-prefixed metadata via bulk media import. Attackers can import crafted titles, artists, or custom fields through /api/station/{station_id}/files/bulk so formulas evaluate when other users open exported CSVs in spreadsheets.

Published 2026-11-03 · last modified 2026-11-03.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Azuracast

Weakness classification (CWE)

CWE-1236 — Improper Neutralization of Formula Elements in a CSV File

References

github.com/AzuraCast/AzuraCast/security/advisories/GHSA-5x35-83gj-w8gw (vendor-advisory)
www.vulncheck.com/advisories/azuracast-before-0.24.0-stored-csv-formula-injecti… (third-party-advisory)

Frequently asked questions

What is CVE-2026-121433?: CVE-2026-121433 is a medium-severity vulnerability in Azuracast, classified under Improper Neutralization of Formula Elements in a CSV File. CVSS score: 5.4/10. Published 2026-11-03.
How severe is CVE-2026-121433?: Medium severity. CVSS v3 base score is 5.4 out of 10.