7.3

CVE-2025-52490: couchbase sync_gateway

CVSS: 7.3v3.1HighAnalyzed
AliasesPYSEC-2025-101GHSA-pqhp-4xfc-hjgqGO-2026-5550
Published 29-07-2025Last modified 29-07-2025
Open JSON

Vulnerability summary

CVE-2025-52490 is a high (CVSS 7.3) vulnerability in couchbase sync_gateway. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.3% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.3/10
010
High · v3.1 (CVE.org)
EPSS score
0.20%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2026:21483-1

Timeline

  1. 29-07-2025
    PublishedVulnerability first disclosed.
  2. 29-07-2025
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

+0.02 pp

From 0.18% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.20%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Couchbase1 product
Github.com/couchbase1 product
  • sync_gateway< 3.2.6 | All versions (No fix recorded)
PyPI1 product
  • couchbase< 3.2.6

3 vendors · 3 products

References

7 links