CVE-2025-56527
CVE-2025-56527 is a high-severity vulnerability in Cinnamon Kotaemon with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-256.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (30th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-198038
- Weakness: CWE-256
- Affected product: Cinnamon Kotaemon
- Published:
- Last modified:
Description
Plaintext password storage in Kotaemon 0.11.0 in the client's localStorage.
Frequently asked questions
- What is CVE-2025-56527?
- Plaintext password storage in Kotaemon 0.11.0 in the client's localStorage.
- How severe is CVE-2025-56527?
- CVE-2025-56527 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2025-56527 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-56527?
- CVE-2025-56527 affects Cinnamon Kotaemon. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-56527?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-56527 have an EU (EUVD) identifier?
- Yes. CVE-2025-56527 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198038.
- When was CVE-2025-56527 published?
- CVE-2025-56527 was published on 2025-11-18 and last updated on 2026-06-17.
References
- https://github.com/Cinnamon/kotaemon
- https://github.com/Cinnamon/kotaemon/commit/37cdc28
- https://github.com/HanTul/Kotaemon-CVE-2025-56526-56527-disclosure
- https://harvest-sink-590.notion.site/Stored-XSS-via-Unsanitized-PDF-Content-Rendering-and-Plaintext-Credential-Exposure-in-LocalStorage-236770c3fe1e80f6a1aef381fb1c8f73
- https://skinny-exoplanet-584.notion.site/Stored-XSS-via-Unsanitized-PDF-Content-Rendering-and-Plaintext-Credential-Exposure-in-LocalStorage-22cd1563bd3380458588eb49f361a363?pvs=74
Affected products (1)
- cpe:2.3:a:cinnamon:kotaemon:*:*:*:*:*:*:*:*
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