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CVE-2025-52490

24
FAUCET Score

CVE-2025-52490 is a vulnerability in Couchbase Sync Gateway versions prior to 3.2.6, where cleartext passwords are logged in sgcollect_info_options.log and sync_gateway.log. This issue has a CVSS score of 7.3 (HIGH), indicating a low attack complexity and potential for compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.2.6CPE matchmatch criteria
cpe:2.3:a:couchbase:sync_gateway:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
8.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 0th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

gopatch availablevia ghsa
Product: github.com/couchbase/sync_gatewayFixed in: 3.2.6

Vendor Advisories (1)

goGHSA-pqhp-4xfc-hjgqhigh

Couchbase Sync Gateway shows cleartext passwords in redacted and unredacted output

Jul 29, 2025

References

docs.couchbase.com / server/current/release-notes/relnotes.html
Release Notes
forums.couchbase.com / tags/security
Vendor Advisory
couchbase.com / alerts
Vendor Advisory