CVE-2023-47639
API Platform Core can leak exceptions message that may contain sensitive information
API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. From 3.2.0 until 3.2.4, exception messages, that are not HTTP exceptions, are visible in the JSON error response. This vulnerability is fixed in 3.2.5.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
API Platform Core can leak exceptions message that may contain sensitive information
API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. From 3.2.0 until 3.2.4, exception messages, that are not HTTP exceptions, are visible in the JSON error response. This vulnerability is fixed in 3.2.5.
- Record
CVE-2023-47639- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-209
- Updated
- 2026-11-02
EUVDEUVD-2023-51739
API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. From 3.2.0 until 3.2.4, exception messages, that are not HTTP exceptions, are visible in the JSON error response. This vulnerability is fixed in 3.2.5.
- Record
EUVD-2023-51739- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rfw5-cqjj-7v9r
API Platform Core can leak exceptions message that may contain sensitive information
Summary
Exception messages, that are not HTTP exceptions, are visible in the JSON error response.
Details
While we wanted to make our errors compatible with the JSON Problem specification, we ended up handling more exceptions then we did previously (introduced at https://github.com/api-platform/core/pull/5823). Instead of leaving that to Symfony, we ended up serializing errors with our normalizers which lead to not hiding the exception details. Note that the trace is hidden in production but the message is not, and the message can contain sensitive information.
PoC
At https://github.com/ili101/api-platform/tree/test3.2 it triggers an authentication exception as LDAP is not reachable. You can find the message available as a JSON response when trying to reach an endpoint.
Impact
Version 3.2 until 3.2.4 is impacted.
- Record
GHSA-rfw5-cqjj-7v9r- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-209
- Updated
- 2026-11-02
NVD
API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. From 3.2.0 until 3.2.4, exception messages, that are not HTTP exceptions, are visible in the JSON error response. This vulnerability is fixed in 3.2.5.
- Record
CVE-2023-47639- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-209
- Updated
- 2026-11-02
OSV
API Platform Core can leak exceptions message that may contain sensitive information
API Platform Core is a system to create hypermedia-driven REST and GraphQL APIs. From 3.2.0 until 3.2.4, exception messages, that are not HTTP exceptions, are visible in the JSON error response. This vulnerability is fixed in 3.2.5.
- Record
CVE-2023-47639- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-209
- Updated
- 2026-11-02
OSVGHSA-rfw5-cqjj-7v9r
API Platform Core can leak exceptions message that may contain sensitive information
Summary
Exception messages, that are not HTTP exceptions, are visible in the JSON error response.
Details
While we wanted to make our errors compatible with the JSON Problem specification, we ended up handling more exceptions then we did previously (introduced at https://github.com/api-platform/core/pull/5823). Instead of leaving that to Symfony, we ended up serializing errors with our normalizers which lead to not hiding the exception details. Note that the trace is hidden in production but the message is not, and the message can contain sensitive information.
PoC
At https://github.com/ili101/api-platform/tree/test3.2 it triggers an authentication exception as LDAP is not reachable. You can find the message available as a JSON response when trying to reach an endpoint.
Impact
Version 3.2 until 3.2.4 is impacted.
- Record
GHSA-rfw5-cqjj-7v9r- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-209
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
api-platform/corePackagist |
3.2.0 up to 3.2.5 | 3.2.5 |
api-platform/corePackagist |
3.2.0 up to 3.2.5, plus listed versions v3.2.0v3.2.1v3.2.2v3.2.3v3.2.4 |
3.2.5 |
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-2023-47639 is a medium vulnerability (CVSS 5.3) in Api-platform Core, published April 3, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 32nd percentile. Fixed in api-platform/core 3.2.5.
References
github.com/api-platform/core/security/advisories/GHSA-rfw5-cqjj-7v9r
nvd.nist.gov/vuln/detail/CVE-2023-47639