CVE-2026-63307

MEDIUM 6.5

Chat2DB < 5.3.0 Insecure Direct Object Reference via GET /api/connection/datasource

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

Chat2DB before 5.3.0 contains an insecure direct object reference vulnerability in the GET /api/connection/datasource/{id} endpoint. The handler calls dataSourceService.queryExistent(id, ...) without an ownership check and returns the decrypted password field, allowing any authenticated non-admin user to enumerate datasource IDs and read the plaintext database credentials of datasources owned by other users.

CWE	CWE-639
Vendor	ottermind
Product	chat2db
Published	Jul 17, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

OtterMind / Chat2DB

0 < 5.3.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/OtterMind/Chat2DB/issues/1839 github.com: https://github.com/OtterMind/Chat2DB/releases/tag/v5.3.0 vulncheck.com: https://www.vulncheck.com/advisories/forgecode-arbitrary-code-execution-via-unvetted-mcp-json-in-untrusted-repository

Credits

George Chen