An authorization bypass vulnerability exists in SHIRASAGI through a user-controlled key, which may allow an unauthorized attacker to retrieve files… (CVE-2026-82582)
Source GCVE Database
Not known to be exploited · CVSS 4.3 Medium.
Data as of 10/25/2026, 16:58:57 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wild: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
AI-suggested
Until an official fix is available, restrict access to the shared file feature to trusted users only and monitor for unusual access patterns related to file retrieval. Avoid exposing the service to untrusted networks if possible.
Description
An authorization bypass vulnerability (CVE-2026-82582) exists in SHIRASAGI that allows an attacker to retrieve files from the groupware's shared file feature by exploiting a user-controlled key. The vulnerability has a CVSS v3.0 score of 4.3, indicating medium severity. No patch or remediation information is currently available, and no known exploits are reported in the wild.
Impact
An unauthorized attacker with low privileges can bypass authorization controls to access files shared within the SHIRASAGI groupware. The impact is limited to confidentiality as the attacker can retrieve files they should not have access to. There is no reported impact on integrity or availability. No known exploits are currently active in the wild.
Weaknesses
- CWE-639Authorization Bypass Through User-Controlled Key (opens in a new tab)
Base weaknessLikelihood of exploit: HighCWE Top 25 (2025): #24OWASP Top 10 A01:2025: Broken Access Control (opens in a new tab)
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.