Vulnerability in phpMyAdmin Shapefile
CVE-2026-121261
A vulnerability has been found in phpMyAdmin ShapeFile up to 4.0.1. Impacted is the function ShapeRecord::loadFromFile of the component SHP File Handler. Such manipulation leads to infinite loop. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
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
- phpMyAdmin Shapefile — versions 4.0.0, 4.0.1
Weakness classification (CWE)
References
- vuldb.com/vuln/430227 (technical-description, vdb-entry)
- vuldb.com/vuln/430227/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-121261 (third-party-advisory)
- vuldb.com/submit/1018488 (third-party-advisory)
- gist.github.com/Ishanoshada/efbda3b5bee92058cc6b08f67d4e7363 (exploit)
Frequently asked questions
- What is CVE-2026-121261?
- CVE-2026-121261 is a medium-severity vulnerability in phpMyAdmin Shapefile, classified under Improper Resource Shutdown or Release. CVSS score: 4.3/10. Published 2026-11-03.
- How severe is CVE-2026-121261?
- Medium severity. CVSS v3 base score is 4.3 out of 10.