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6 vulnerabilities found for countly-server by Countly
CVE-2026-87803 (GCVE-0-2026-87803)
Vulnerability from nvd – Published: 2026-09-10 09:54 – Updated: 2026-09-10 13:17
VLAI
EPSS
VEX
Summary
An authorization bypass vulnerability exists in the Countly Server DBViewer due to flawed sub-pipeline detection in the aggregation stage sanitizer. The /o/db aggregation endpoint parses user-controlled aggregation JSON and passes it through a stage sanitizer that determines whether a nested array is a sub-pipeline by checking if every element contains a key present in a hardcoded KNOWN_STAGE_OPERATORS set. If any element contains an unrecognized stage key, such as the undocumented MongoDB-internal $_internalInhibitOptimization, the sanitizer misclassifies the entire branch as a generic array and skips stage-level stripping for all sibling stages. This allows a non-admin user with DBViewer read permission to inject forbidden operators like $lookup inside $facet sub-pipelines, performing cross-collection joins into restricted collections. This leads to unauthorized read access to sensitive data including password-reset tokens (prid), enabling account takeover.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 13:16 UTC
CWE
- CWE-863 - Countly DBViewer authorization bypass via nested aggregation stage poisoning
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Countly | countly-server |
Affected:
0 , < 25.03.53-LTS
(semver)
|
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CVE-2021-32852 (GCVE-0-2021-32852)
Vulnerability from nvd – Published: 2023-02-20 00:00 – Updated: 2025-03-10 21:09
VLAI
EPSS
VEX
Title
countly-server vulnerable to Cross-site Scripting
Summary
Countly, a product analytics solution, is vulnerable to cross-site scripting prior to version 21.11 of the community edition. The victim must follow a malicious link or be redirected there from malicious web site. The attacker must have an account or be able to create one. This issue is patched in version 21.11.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-10 21:00 UTC
CWE
- CWE-79 - Cross-site Scripting (XSS)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Countly | countly-server |
Affected:
21.11 , < 21.11
(custom)
|
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CVE-2022-29174 (GCVE-0-2022-29174)
Vulnerability from nvd – Published: 2022-05-17 20:45 – Updated: 2025-04-23 18:25
VLAI
EPSS
VEX
Title
Predictable password reset token may lead to account takeover in countly-server
Summary
countly-server is the server-side part of Countly, a product analytics solution. Prior to versions 22.03.7 and 21.11.4, a malicious actor who knows an account email address/username and full name specified in the database is capable of guessing the password reset token. The actor may use this information to reset the password and take over the account. The problem has been patched in Countly Server version 22.03.7 for servers using the new user interface and in 21.11.4 for servers using the old user interface.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 15:53 UTC
CWE
- CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Countly/countly-server/securit… | x_refsource_CONFIRM |
| https://github.com/Countly/countly-server/commit/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Countly | countly-server |
Affected:
< 21.11.4
Affected: >= 22.0.0, < 22.03.7 |
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CVE-2026-87803 (GCVE-0-2026-87803)
Vulnerability from cvelistv5 – Published: 2026-09-10 09:54 – Updated: 2026-09-10 13:17
VLAI
EPSS
VEX
Summary
An authorization bypass vulnerability exists in the Countly Server DBViewer due to flawed sub-pipeline detection in the aggregation stage sanitizer. The /o/db aggregation endpoint parses user-controlled aggregation JSON and passes it through a stage sanitizer that determines whether a nested array is a sub-pipeline by checking if every element contains a key present in a hardcoded KNOWN_STAGE_OPERATORS set. If any element contains an unrecognized stage key, such as the undocumented MongoDB-internal $_internalInhibitOptimization, the sanitizer misclassifies the entire branch as a generic array and skips stage-level stripping for all sibling stages. This allows a non-admin user with DBViewer read permission to inject forbidden operators like $lookup inside $facet sub-pipelines, performing cross-collection joins into restricted collections. This leads to unauthorized read access to sensitive data including password-reset tokens (prid), enabling account takeover.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-10 13:16 UTC
CWE
- CWE-863 - Countly DBViewer authorization bypass via nested aggregation stage poisoning
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Countly | countly-server |
Affected:
0 , < 25.03.53-LTS
(semver)
|
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CVE-2021-32852 (GCVE-0-2021-32852)
Vulnerability from cvelistv5 – Published: 2023-02-20 00:00 – Updated: 2025-03-10 21:09
VLAI
EPSS
VEX
Title
countly-server vulnerable to Cross-site Scripting
Summary
Countly, a product analytics solution, is vulnerable to cross-site scripting prior to version 21.11 of the community edition. The victim must follow a malicious link or be redirected there from malicious web site. The attacker must have an account or be able to create one. This issue is patched in version 21.11.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-10 21:00 UTC
CWE
- CWE-79 - Cross-site Scripting (XSS)
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Countly | countly-server |
Affected:
21.11 , < 21.11
(custom)
|
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CVE-2022-29174 (GCVE-0-2022-29174)
Vulnerability from cvelistv5 – Published: 2022-05-17 20:45 – Updated: 2025-04-23 18:25
VLAI
EPSS
VEX
Title
Predictable password reset token may lead to account takeover in countly-server
Summary
countly-server is the server-side part of Countly, a product analytics solution. Prior to versions 22.03.7 and 21.11.4, a malicious actor who knows an account email address/username and full name specified in the database is capable of guessing the password reset token. The actor may use this information to reset the password and take over the account. The problem has been patched in Countly Server version 22.03.7 for servers using the new user interface and in 21.11.4 for servers using the old user interface.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 15:53 UTC
CWE
- CWE-640 - Weak Password Recovery Mechanism for Forgotten Password
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/Countly/countly-server/securit… | x_refsource_CONFIRM |
| https://github.com/Countly/countly-server/commit/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Countly | countly-server |
Affected:
< 21.11.4
Affected: >= 22.0.0, < 22.03.7 |
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