sakai-kernel-impl CVEs

CVE	Severity	Published▾	Status	Exploitation	Description
CVE-2026-54049	High	2026-10-01	No exploit published	Proof of concept only	Sakai is a Collaboration and Learning Environment (CLE). From versions 23.0 to before 23.5, and versions 25.0 to before 25.3, the Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's unsafeHTML() directive, resulting in stored cross-site scripting (XSS). Any authenticated user with access to a site that has the Conversations tool enabled can inject arbitrary HTML and JavaScript that executes in the browsers of all other users who view that topic or post. This issue has been patched in versions 23.5, 25.3, and 26.0.
CVE-2025-62710	Medium	2025-10-22	No exploit published	No public exploit	Sakai is a Collaboration and Learning Environment. Prior to versions 23.5 and 25.0, EncryptionUtilityServiceImpl initialized an AES256TextEncryptor password (serverSecretKey) using RandomStringUtils with the default java.util.Random. java.util.Random is a non‑cryptographic PRNG and can be predicted from limited state/seed information (e.g., start time window), substantially reducing the effective search space of the generated key. An attacker who can obtain ciphertexts (e.g., exported or at‑rest strings protected by this service) and approximate the PRNG seed can feasibly reconstruct the serverSecretKey and decrypt affected data. SAK-49866 is patched in Sakai 23.5, 25.0, and trunk.
CVE-2024-47876	High	2024-10-15	No exploit published	No public exploit	Sakai is a Collaboration and Learning Environment. Starting in version 23.0 and prior to version 23.2, kernel users created with type roleview can log in as a normal user. This can result in illegal access being granted to the system. Version 23.3 fixes this vulnerability.

CVE

Severity

Published▾

Status

Exploitation

Description

CVE-2026-54049

High

2026-10-01

No exploit published

Proof of concept only

Sakai is a Collaboration and Learning Environment (CLE). From versions 23.0 to before 23.5, and versions 25.0 to before 25.3, the Sakai Conversations tool stores topic and post messages without HTML sanitization, and the frontend renders them using LitElement's unsafeHTML() directive, resulting in stored cross-site scripting (XSS). Any authenticated user with access to a site that has the Conversations tool enabled can inject arbitrary HTML and JavaScript that executes in the browsers of all other users who view that topic or post. This issue has been patched in versions 23.5, 25.3, and 26.0.

CVE-2025-62710

Medium

2025-10-22

No exploit published

No public exploit

Sakai is a Collaboration and Learning Environment. Prior to versions 23.5 and 25.0, EncryptionUtilityServiceImpl initialized an AES256TextEncryptor password (serverSecretKey) using RandomStringUtils with the default java.util.Random. java.util.Random is a non‑cryptographic PRNG and can be predicted from limited state/seed information (e.g., start time window), substantially reducing the effective search space of the generated key. An attacker who can obtain ciphertexts (e.g., exported or at‑rest strings protected by this service) and approximate the PRNG seed can feasibly reconstruct the serverSecretKey and decrypt affected data. SAK-49866 is patched in Sakai 23.5, 25.0, and trunk.

CVE-2024-47876

High

2024-10-15

No exploit published

No public exploit

Sakai is a Collaboration and Learning Environment. Starting in version 23.0 and prior to version 23.2, kernel users created with type roleview can log in as a normal user. This can result in illegal access being granted to the system. Version 23.3 fixes this vulnerability.