What is CVE-2026-70561?

CVE-2026-70561 is a medium-severity vulnerability in Testlinkopensourcetrms Testlink, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-08-07.

How severe is CVE-2026-70561?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Testlinkopensourcetrms Testlink

CVE-2026-70561

TestLink 1.9.20 and prior contains an insecure direct object reference vulnerability that allows any authenticated user, including low-privilege guest accounts, to read arbitrary attachments by supplying an integer attachment ID to the att…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Testlinkopensourcetrms Testlink — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-70561?: CVE-2026-70561 is a medium-severity vulnerability in Testlinkopensourcetrms Testlink, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-08-07.
How severe is CVE-2026-70561?: Medium severity. CVSS v3 base score is 6.5 out of 10.