High severity · published Jul 29, 2025
CVE-2025-52490
An issue was discovered in Couchbase Sync Gateway before 3.2.6
7.3
CVSS
0.2%
EPSS
No
On KEV
Description
An issue was discovered in Couchbase Sync Gateway before 3.2.6. In sgcollect_info_options.log and sync_gateway.log, there are cleartext passwords in redacted and unredacted output.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SG
Sync Gateway · Couchbase
before 3.2.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-52490
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-52490
Release Notes
https://docs.couchbase.com/server/current/release-notes/relnotes.html
Vendor Advisory
https://forums.couchbase.com/tags/security
Vendor Advisory
https://www.couchbase.com/alerts/
More from Sync Gateway
9.8
CVE-2022-32563
An issue was discovered in Couchbase Sync Gateway 3.x before 3.0.2
9.8
CVE-2019-9039
In Couchbase Sync Gateway 2.1.2, an attacker with access to the Sync Gateway’s public REST API was able to issue additional N1QL statements and extract sensitive data or call…
8.1
CVE-2021-43963
An issue was discovered in Couchbase Sync Gateway 2.7.0 through 2.8.2
7.5
CVE-2020-9041
In Couchbase Server 6.0.3 and Couchbase Sync Gateway through 2.7.0, the Cluster management, views, query, and full-text search endpoints are vulnerable to the Slowloris…