CVE-2026-107755
Apache CouchDB: Credential Disclosure to Non-Owner Members via Object-Form Replication Endpoint URLs
Insufficient filtering of credentials in the _replicator database in Apache CouchDB 3.5.2 and below on all platforms allows an authenticated user to read replication credentials of other users’ replications, not just their own.
Users are recommended to upgrade to version 3.5.3, which fixes this issue.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Apache CouchDB: Credential Disclosure to Non-Owner Members via Object-Form Replication Endpoint URLs
Insufficient filtering of credentials in the _replicator database in Apache CouchDB 3.5.2 and below on all platforms allows an authenticated user to read replication credentials of other users’ replications, not just their own.
Users are recommended to upgrade to version 3.5.3, which fixes this issue.
- Record
CVE-2026-107755- CVSS 4.0
- 6.0 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:U/S:N/AU:Y/R:U/V:C/RE:M/U:Amber - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2026-105101
Insufficient filtering of credentials in the _replicator database in Apache CouchDB 3.5.2 and below on all platforms allows an authenticated user to read replication credentials of other users’ replications, not just their own.
Users are recommended to upgrade to version 3.5.3, which fixes this issue.
- Record
EUVD-2026-105101- CVSS 4.0
- 6.0 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:U/S:N/AU:Y/R:U/V:C/RE:M/U:Amber - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5433-3876-mmp4
Insufficient filtering of credentials in the _replicator database in Apache CouchDB 3.5.2 and...
Insufficient filtering of credentials in the _replicator database in Apache CouchDB 3.5.2 and below on all platforms allows an authenticated user to read replication credentials of other users’ replications, not just their own.
Users are recommended to upgrade to version 3.5.3, which fixes this issue.
- Record
GHSA-5433-3876-mmp4- CVSS 4.0
- 6.0 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:M/U:Amber - Weakness
- CWE-200
- Updated
- 2026-11-02
NVD
Insufficient filtering of credentials in the _replicator database in Apache CouchDB 3.5.2 and below on all platforms allows an authenticated user to read replication credentials of other users’ replications, not just their own.
Users are recommended to upgrade to version 3.5.3, which fixes this issue.
- Record
CVE-2026-107755- CVSS 4.0
- 6.0 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:M/U:Amber - Weakness
- CWE-200
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-107755
Insufficient filtering of credentials in the _replicator database in Apache CouchDB 3.5.2 and below on all platforms allows an authenticated user to read replication credentials of other users’ replications, not just their own. Users are recommended to upgrade to version 3.5.3, which fixes this issue.
- Record
UBUNTU-CVE-2026-107755- CVSS 4.0
- 6.0 Medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/E:U/S:N/AU:Y/R:U/V:C/RE:M/U:Amber - Updated
- 2026-11-02
OSVBIT-couchdb-2026-107755 No score
Apache CouchDB: Credential Disclosure to Non-Owner Members via Object-Form Replication Endpoint URLs
Insufficient filtering of credentials in the _replicator database in Apache CouchDB 3.5.2 and below on all platforms allows an authenticated user to read replication credentials of other users’ replications, not just their own.
Users are recommended to upgrade to version 3.5.3, which fixes this issue.
- Record
BIT-couchdb-2026-107755- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-107755 is a medium vulnerability (CVSS 6.0) in Apache Software Foundation Couchdb, published October 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.59%, the 48th percentile. Fixed in couchdb 3.5.3.
References
lists.apache.org/thread.html/pj83174r8f8f64odf47fwhozbfjtot0f
openwall.com/lists/oss-security/2026/10/20/16
nvd.nist.gov/vuln/detail/CVE-2026-107755
github.com/advisories/GHSA-5433-3876-mmp4
ubuntu.com/security/CVE-2026-107755
cve.org/CVERecord?id=CVE-2026-107755