CVE-2016-4977
Spring Security OAuth vulnerable to remote code execution (RCE) via specially crafted request using whitelabel views
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
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
- High
Exploit likelihood
What each source reports
NVD Score used
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
- Record
CVE-2016-4977- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-19
- Updated
- 2026-11-02
CVE List No score
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
- Record
CVE-2016-4977- Updated
- 2026-11-02
EUVDEUVD-2018-0540 No score
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
- Record
EUVD-2018-0540- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7q9c-h23x-65fq
Spring Security OAuth vulnerable to remote code execution (RCE) via specially crafted request using whitelabel views
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
- Record
GHSA-7q9c-h23x-65fq- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSV
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
- Record
CVE-2016-4977- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-7q9c-h23x-65fq
Spring Security OAuth vulnerable to remote code execution (RCE) via specially crafted request using whitelabel views
When processing authorization requests using the whitelabel views in Spring Security OAuth 2.0.0 to 2.0.9 and 1.0.0 to 1.0.5, the response_type parameter value was executed as Spring SpEL which enabled a malicious user to trigger remote code execution via the crafting of the value for response_type.
- Record
GHSA-7q9c-h23x-65fq- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.springframework.security.oauth:spring-security-oauth2Maven |
2.0.0 up to 2.0.10 | 2.0.10 |
org.springframework.security.oauth:spring-security-oauth2Maven |
1.0.0 up to 1.0.5 | 1.0.5 |
org.springframework.security.oauth:spring-security-oauth2Maven |
2.0.0 up to 2.0.10, plus listed versions 2.0.0.RELEASE2.0.1.RELEASE2.0.2.RELEASE2.0.3.RELEASE2.0.4.RELEASE Show 5 moreShow less2.0.5.RELEASE2.0.6.RELEASE2.0.7.RELEASE2.0.8.RELEASE2.0.9.RELEASE |
2.0.10 |
org.springframework.security.oauth:spring-security-oauth2Maven |
1.0.0 up to 1.0.5, plus listed versions 1.0.0.RELEASE1.0.1.RELEASE1.0.2.RELEASE1.0.3.RELEASE1.0.4.RELEASE |
1.0.5 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | Spring Security OAuth2 Remote Command Execution | |
| PoC in GitHub | CyberCTF/vulhub-spring-cve-2016-4977 | 2026-10-08 |
| PoC in GitHub | N0b1e6/CVE-2016-4977-POC | 2020-02-17 |
| PoC in GitHub | tpt11fb/SpringVulScan | 2022-06-19 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-4977 is a high vulnerability (CVSS 8.8) in Pivotal Spring Security Oauth, published May 25, 2017. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 79.2%, the 99th percentile. Fixed in org.springframework.security.oauth:spring-security-oauth2 2.0.10.
References
pivotal.io/security/cve-2016-4977
lists.apache.org/thread.html/37d7e820fc65a768de3e096e98382d5529a52a039f093e59357d0bc0%40%3Cdev.fineract.apache.org%3E
openwall.com/lists/oss-security/2019/10/16/1
Show 6 moreShow less
nvd.nist.gov/vuln/detail/CVE-2016-4977
github.com/advisories/GHSA-7q9c-h23x-65fq