SB2026092271 - Multiple vulnerabilities in TeamPass

Description

This security bulletin contains information about 2 vulnerabilities.

1) Incorrect authorization (CVE-ID: N/A)

CWE-ID: CWE-863 - Incorrect Authorization

CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote user to disclose passwords and attachments from parent folders.

The vulnerability exists due to incorrect authorization in getCurrentAccessRights() when checking item access against a user's cached folder tree. A remote user can request items in blocked ancestor folders to disclose passwords and attachments from those folders.

Exploitation requires access to a subfolder whose blocked ancestor is present in the user's folder-tree cache.

2) Incorrect authorization (CVE-ID: N/A)

CWE-ID: CWE-863 - Incorrect Authorization

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote user to disclose plaintext passwords, TOTP codes, and item metadata.

The vulnerability exists due to improper authorization in the REST API item-read handlers when processing requests for restricted items. A remote user can send a request to retrieve an item from which they were explicitly restricted to disclose plaintext passwords, TOTP codes, and item metadata.

The web password-read path enforces the item-level restriction, but the REST API read paths do not consult the restriction tables.

Remediation

Install update from vendor's website.

References

• https://github.com/nilsteampassnet/TeamPass/security/advisories/GHSA-jr9q-x7pj-8qh9
• https://github.com/nilsteampassnet/TeamPass/security/advisories/GHSA-gxc6-rgv6-wx99