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Vulnerability record · CVE-2026-55579 · published 27 July 2026

CVE-2026-55579: Hard-coded credentials vulnerability

Pheditor is a single-file editor and file manager written in PHP. From version 2.0.1 to before version 2.0.6, Pheditor ships with a hardcoded default password admin (SHA-512 hash stored at pheditor.php:11). There is no mechanism to force a password change on first login. Any deployment using the default credentials grants an attacker full access to the file editor, file upload, and terminal features, enabling arbitrary file read/write and remote code execution. This issue has been patched in version 2.0.6.

9.8 CVSS 3.1 Critical EPSS 0.79% · top 45.4% CWE-798 · Hard-coded credentials Deferred
9.8CVSS 3.1 base score
0.79%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
27 Jul 2026Last modified by NVD

Description

Pheditor is a single-file editor and file manager written in PHP. From version 2.0.1 to before version 2.0.6, Pheditor ships with a hardcoded default password admin (SHA-512 hash stored at pheditor.php:11). There is no mechanism to force a password change on first login. Any deployment using the default credentials grants an attacker full access to the file editor, file upload, and terminal features, enabling arbitrary file read/write and remote code execution. This issue has been patched in version 2.0.6.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://github.com/pheditor/pheditor/releases/tag/2.0.6
https://github.com/pheditor/pheditor/security/advisories/GHSA-p4h7-p9rj-2pq2
https://github.com/pheditor/pheditor/security/advisories/GHSA-p4h7-p9rj-2pq2

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Source: NIST National Vulnerability Database (record CVE-2026-55579), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.