Not analysed yet
We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 7.5 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | ADP (CISA-ADP) |
- CISA KEV Not listed.
- EPSS 0.0046, the 39th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 18 Nov 2025, 17:16 UTC Confirmed by NVD
Sources
References from the CNA
- github.com/Cinnamon/kotaemon/commit/37cdc28
- github.com/Cinnamon/kotaemon
- skinny-exoplanet-584.notion.site/Stored-XSS-via-Unsanitized-PDF-Content-Rendering-and-Plaintext-Credential-Exposure-in-LocalStorage-22cd1563bd3380458588eb49f361a363?pvs=74
- github.com/HanTul/Kotaemon-CVE-2025-56526-56527-disclosure
- harvest-sink-590.notion.site/Stored-XSS-via-Unsanitized-PDF-Content-Rendering-and-Plaintext-Credential-Exposure-in-LocalStorage-236770c3fe1e80f6a1aef381fb1c8f73