Shirasagi up to 1.20.2 authorization

Summaryinfo

A vulnerability marked as problematic has been reported in Shirasagi up to 1.20.2. This vulnerability affects unknown code. This manipulation causes authorization. This vulnerability is registered as CVE-2026-82582. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Shirasagi up to 1.20.2. It has been declared as problematic. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect confidentiality. The summary by CVE is:

An authorization bypass vulnerability exists in SHIRASAGI through a user-controlled key, which may allow an unauthorized attacker to retrieve files from the groupware's shared file feature.

The advisory is shared at jvn.jp. This vulnerability is known as CVE-2026-82582 since 09/04/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/10/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• Shirasagi

Version

• 1.20.0
• 1.20.1
• 1.20.2

CPE 2.3info

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CPE 2.2info

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