SB2025102383 - Multiple vulnerabilities in Sakai

Description

This security bulletin contains information about 2 vulnerabilities.

1) Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) (CVE-ID: CVE-2025-62710)

CWE-ID: CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to gain access to sensitive information the target system.

The vulnerability exists due to predictable PRNG used to generate server‑side encryption key in Encryption Utility ServiceImpl. A local administrator can decrypt affected data on the system.

2) Cross-site scripting (CVE-ID: CVE-2026-33402)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to execute arbitrary script code in a victim's browser.

The vulnerability exists due to cross-site scripting in site-manage group titles and descriptions when rendering stored group content. A remote attacker can inject a crafted script into a group title or description to execute arbitrary script code in a victim's browser.

Remediation

Install update from vendor's website.

References

• https://github.com/sakaiproject/sakai/security/advisories/GHSA-gr7h-xw4f-wh86
• https://github.com/sakaiproject/sakai/security/advisories/GHSA-6g62-3898-hpvm
• https://sakaiproject.atlassian.net/browse/SAK-52311