CVE-2026-26378: n/a
Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via file upload function in Invoice features
AI Analysis
Technical Summary
CVE-2026-26378 is a Cross Site Scripting (CWE-79) vulnerability affecting Koha versions up to and including 25.11. It allows a remote attacker with low complexity and limited privileges, requiring user interaction, to execute arbitrary code via the file upload function in the Invoice features. The vulnerability impacts confidentiality and integrity but does not affect availability. There is no vendor advisory or patch information available at this time.
Potential Impact
The vulnerability can lead to the execution of arbitrary code in the context of the affected application, potentially compromising confidentiality and integrity of data. Availability is not impacted. Exploitation requires user interaction and limited privileges, which somewhat reduces the risk. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the Invoice file upload functionality to trusted users only and consider additional input validation or filtering controls if possible.
CVE-2026-26378: n/a
Description
Cross Site Scripting vulnerability in Koha 25.11 and before allows a remote attacker to execute arbitrary code via file upload function in Invoice features
CVSS v3.1
Score 5.4medium
Affected software
pkg:github/koha-community/KohaRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-26378 is a Cross Site Scripting (CWE-79) vulnerability affecting Koha versions up to and including 25.11. It allows a remote attacker with low complexity and limited privileges, requiring user interaction, to execute arbitrary code via the file upload function in the Invoice features. The vulnerability impacts confidentiality and integrity but does not affect availability. There is no vendor advisory or patch information available at this time.
Potential Impact
The vulnerability can lead to the execution of arbitrary code in the context of the affected application, potentially compromising confidentiality and integrity of data. Availability is not impacted. Exploitation requires user interaction and limited privileges, which somewhat reduces the risk. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict access to the Invoice file upload functionality to trusted users only and consider additional input validation or filtering controls if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-02-16T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a207a8be29bf47b50dc5154
Added to database: 06/03/2026, 19:03:39 UTC
Last enriched: 06/10/2026, 19:36:48 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 68
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