Spring Framework up to 7.0.8 WebFlux information exposure
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.3 | $0-$5k | 1.25 |
Summary
A vulnerability marked as problematic has been reported in Spring Framework up to 7.0.8. Affected by this vulnerability is an unknown functionality of the component WebFlux. Performing a manipulation results in information exposure. This vulnerability is cataloged as CVE-2026-47893. It is possible to initiate the attack remotely. There is no exploit available.
Details
A vulnerability classified as problematic has been found in Spring Framework up to 7.0.8. This affects an unknown code of the component WebFlux. The manipulation with an unknown input leads to a information exposure vulnerability. CWE is classifying the issue as CWE-209. The product generates an error message that includes sensitive information about its environment, users, or associated data. This is going to have an impact on confidentiality. The summary by CVE is:
A Spring WebFlux application that supports WebSocket connections may expose indirectly sensitive user information by including request headers in an exception reason. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.25.RELEASE and earlier
It is possible to read the advisory at spring.io. This vulnerability is uniquely identified as CVE-2026-47893 since 05/20/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
- 5.2.25.RELEASE
- 5.3.0
- 5.3.1
- 5.3.2
- 5.3.3
- 5.3.4
- 5.3.5
- 5.3.6
- 5.3.7
- 5.3.8
- 5.3.9
- 5.3.10
- 5.3.11
- 5.3.12
- 5.3.13
- 5.3.14
- 5.3.15
- 5.3.16
- 5.3.17
- 5.3.18
- 5.3.19
- 5.3.20
- 5.3.21
- 5.3.22
- 5.3.23
- 5.3.24
- 5.3.25
- 5.3.26
- 5.3.27
- 5.3.28
- 5.3.29
- 5.3.30
- 5.3.31
- 5.3.32
- 5.3.33
- 5.3.34
- 5.3.35
- 5.3.36
- 5.3.37
- 5.3.38
- 5.3.39
- 5.3.40
- 5.3.41
- 5.3.42
- 5.3.43
- 5.3.44
- 5.3.45
- 5.3.46
- 5.3.47
- 5.3.48
- 5.3.49
- 6.0.0
- 6.0.1
- 6.0.2
- 6.0.3
- 6.0.4
- 6.0.5
- 6.0.6
- 6.0.7
- 6.0.8
- 6.0.9
- 6.0.10
- 6.0.11
- 6.0.12
- 6.0.13
- 6.0.14
- 6.0.15
- 6.0.16
- 6.0.17
- 6.0.18
- 6.0.19
- 6.0.20
- 6.0.21
- 6.0.22
- 6.0.23
- 6.0.24
- 6.0.25
- 6.0.26
- 6.0.27
- 6.0.28
- 6.0.29
- 6.0.30
- 6.1.0
- 6.1.1
- 6.1.2
- 6.1.3
- 6.1.4
- 6.1.5
- 6.1.6
- 6.1.7
- 6.1.8
- 6.1.9
- 6.1.10
- 6.1.11
- 6.1.12
- 6.1.13
- 6.1.14
- 6.1.15
- 6.1.16
- 6.1.17
- 6.1.18
- 6.1.19
- 6.1.20
- 6.1.21
- 6.1.22
- 6.1.23
- 6.1.24
- 6.1.25
- 6.1.26
- 6.1.27
- 6.1.28
- 6.2.0
- 6.2.1
- 6.2.2
- 6.2.3
- 6.2.4
- 6.2.5
- 6.2.6
- 6.2.7
- 6.2.8
- 6.2.9
- 6.2.10
- 6.2.11
- 6.2.12
- 6.2.13
- 6.2.14
- 6.2.15
- 6.2.16
- 6.2.17
- 6.2.18
- 6.2.19
- 7.0.0
- 7.0.1
- 7.0.2
- 7.0.3
- 7.0.4
- 7.0.5
- 7.0.6
- 7.0.7
- 7.0.8
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Information exposureCWE: CWE-209 / CWE-200 / CWE-284
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
05/20/2026 CVE reserved08/27/2026 Advisory disclosed
08/27/2026 VulDB entry created
08/27/2026 VulDB entry last update
Sources
Advisory: spring.ioStatus: Not defined
CVE: CVE-2026-47893 (🔒)
GCVE (CVE): GCVE-0-2026-47893
GCVE (VulDB): GCVE-100-396099
Entry
Created: 08/27/2026 08:45Changes: 08/27/2026 08:45 (52)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
No comments yet. Languages: en.
Please log in to comment.