TI-2026-84412 Aliases CVE-2026-121261 GHSA-7fh6-w638-g9vf

Infinite loop in phpMyAdmin ShapeFile SHP file loading

MEDIUM 57CWE-404Published 2026-11-03 · Updated 2026-11-07

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

phpMyAdmin ShapeFile up to 4.0.1 is affected. In the ShapeRecord::loadFromFile function of the SHP File Handler component, a flaw leads to an infinite loop (CWE-835). A remote attacker can trigger it without authentication, and it affects availability. The exploit has been publicly disclosed, and a public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00293 22nd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
phpMyAdmin	ShapeFile	4.0.0; 4.0.1	—	No fix listed	CNA

ShapeFile VendorphpMyAdmin Affected 4.0.0; 4.0.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:phpmyadmin:shapefile::::::::	—	—	phpMyAdmin

cpe:2.3:a:phpmyadmin:shapefile:*:*:*:*:*:*:*:* Versions — — ·phpMyAdmin

Remediation

The sources list no fixed version for phpMyAdmin ShapeFile. The vendor was contacted early about this disclosure but did not respond.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-11-03 Threatist record created from CVE-2026-121261
2026-11-03 Alias added: GHSA-7fh6-w638-g9vf
2026-11-06 Affected versions changed · Red Hat
2026-11-06 CVSS score added · Red Hat
2026-11-07 CISA SSVC decision points changed
2026-11-07 Priority changed: LOW → MEDIUM

References

Exploit 1

https://gist.github.com/Ishanoshada/efbda3b5bee92058cc6b08f67d4e7363

TI-2009-01092 Static code injection vulnerability in setup.php in phpMyAdmin 2.11.x before 2.11.9.5 and… KEVCVSS 3.1CRITICAL 9.8
TI-2018-09056 An issue was discovered in phpMyAdmin 4.8.x before 4.8.2, in which an attacker can… CVSS 3.1HIGH 8.8
TI-2020-14341 SQL Injection vulnerability in function getTableCreationQuery in CreateAddField.php in… CVSS 3.1CRITICAL 9.8
TI-2016-04978 phpMyAdmin 4.0.x before 4.0.10.16, 4.4.x before 4.4.15.7, and 4.6.x before 4.6.3 does not… CVSS 3.0CRITICAL 9.8
TI-2020-16362 An issue was discovered in SearchController in phpMyAdmin before 4.9.6 and 5.x before… CVSS 3.1CRITICAL 9.8
TI-2012-04350 phpMyAdmin 3.5.2.2, as distributed by the cdnetworks-kr-1 mirror during an unspecified… CVSS 2.0HIGH 7.5

See all 281 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences