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Vulnerability record · CVE-2026-53548 · published 19 August 2026

CVE-2026-53548: Improper authorization vulnerability

Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Prior to 2.6.1, the GET /host/db/host/:id/password endpoint in src/backend/database/routes/host.ts accepts an authenticated user's numeric host ID and the field=password or field=sudoPassword query without enforcing host ownership during credential resolution. A failed requester-scoped lookup can resolve the host with the owner's context and return the owner's plaintext credential, allowing any authenticated user with a valid JWT to enumerate sequential hosts.id values and retrieve SSH or sudo passwords belonging to other users. The disclosed credentials can then be used to access and control managed systems outside the Termix instance. This issue is fixed in version 2.6.1.

9.6 CVSS 3.1 Critical EPSS 0.46% · top 62.3% CWE-285 · Improper authorizationCWE-639 · Insecure direct object reference Deferred
9.6CVSS 3.1 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
9 Sep 2026Last modified by NVD

Description

Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Prior to 2.6.1, the GET /host/db/host/:id/password endpoint in src/backend/database/routes/host.ts accepts an authenticated user's numeric host ID and the field=password or field=sudoPassword query without enforcing host ownership during credential resolution. A failed requester-scoped lookup can resolve the host with the owner's context and return the owner's plaintext credential, allowing any authenticated user with a valid JWT to enumerate sequential hosts.id values and retrieve SSH or sudo passwords belonging to other users. The disclosed credentials can then be used to access and control managed systems outside the Termix instance. This issue is fixed in version 2.6.1.

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

References

LinkTags
https://github.com/Termix-SSH/Termix/commit/52f4e51ae03b5b8d2608e1383e2ccf79d290132b
https://github.com/Termix-SSH/Termix/pull/874
https://github.com/Termix-SSH/Termix/releases/tag/release-2.3.2-tag
https://github.com/Termix-SSH/Termix/security/advisories/GHSA-j6h8-mww6-pgw6
https://github.com/Termix-SSH/Termix/security/advisories/GHSA-j6h8-mww6-pgw6

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Source: NIST National Vulnerability Database (record CVE-2026-53548), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.