SB2026102709 - Multiple vulnerabilities in GROWI

Description

This security bulletin contains information about 3 vulnerabilities.

1) Authorization bypass through user-controlled key (CVE-ID: CVE-2026-105272)

CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key

CVSSv4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to authorization bypass through user-controlled key in the page view and comment feature. A remote user can obtain the contents and comments of a page without the required read permission.

2) Authorization bypass through user-controlled key (CVE-ID: CVE-2026-109848)

CWE-ID: CWE-639 - Authorization Bypass Through User-Controlled Key

CVSSv4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to authorization bypass through user-controlled key in the tag update API and the page update API. A remote user can obtain the contents of a page and save them to a page that they can edit.

3) Missing Authorization (CVE-ID: CVE-2026-115624)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to missing authorization in the collaborative editing feature. A remote user can modify page drafts via the collaborative editing connection.

Remediation

Install update from vendor's website.

References

• https://jvn.jp/en/jp/JVN51223238/index.html
• https://github.com/growilabs/growi/security/advisories/GHSA-m72c-xgjf-56ww
• https://github.com/growilabs/growi/security/advisories/GHSA-pqx5-gx68-83h4
• https://github.com/growilabs/growi/security/advisories/GHSA-3v2v-8q3r-mhm4