CVE-2026-40999
Spring WS SSRF via unvalidated WS-Addressing reply destinations
Description
When WS-Addressing is used with non-anonymous ReplyTo or FaultTo addresses, Spring WS may initiate outbound connections through configured WebServiceMessageSender instances to destinations taken directly from request headers without verifying that those destinations are safe to connect to. Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.
INFO
Published Date :
June 11, 2026, 7:16 a.m.
Last Modified :
July 23, 2026, 9:10 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-40999
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | dcf2e128-44bd-42ed-91e8-88f912c1401d | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Spring WS to a non-vulnerable version.
- Configure WebServiceMessageSender carefully.
- Validate ReplyTo and FaultTo headers.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-40999.
| URL | Resource |
|---|---|
| https://spring.io/security/cve-2026-40999 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-40999 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-40999
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-40999 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-40999 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Jul. 23, 2026
Action Type Old Value New Value Added Translation Title: Spring Web Services, Description: Cuando se utiliza WS-Addressing con direcciones ReplyTo o FaultTo no anónimas, Spring WS puede iniciar conexiones salientes a través de instancias configuradas de WebServiceMessageSender a destinos tomados directamente de los encabezados de la solicitud sin verificar que esos destinos sean seguros para conectarse. Versiones afectadas: Spring Web Services 5.0.0 hasta 5.0.1; 4.1.0 hasta 4.1.3; 4.0.0 hasta 4.0.18; 3.1.0 hasta 3.1.8. -
CVE Modified by [email protected]
Jun. 23, 2026
Action Type Old Value New Value Changed Affected [{'vendor': 'Spring', 'product': 'Spring Web Services', 'versions': [{'status': 'affected', 'version': '5.0.0', 'lessThan': '5.0.2', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.1.0', 'lessThan': '4.1.4', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.0.0', 'lessThan': '4.0.19', 'versionType': 'custom'}, {'status': 'affected', 'version': '3.1.0', 'lessThan': '3.1.9', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] [{'vendor': 'Spring', 'product': 'Spring Web Services', 'versions': [{'status': 'affected', 'version': '5.0.0', 'lessThan': '5.0.1.1', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.1.0', 'lessThan': '4.1.3.1', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.0.0', 'lessThan': '4.0.19', 'versionType': 'custom'}, {'status': 'affected', 'version': '3.1.0', 'lessThan': '3.1.9', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] -
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Spring', 'product': 'Spring Web Services', 'versions': [{'status': 'affected', 'version': '5.0.0', 'lessThan': '5.0.2', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.1.0', 'lessThan': '4.1.4', 'versionType': 'custom'}, {'status': 'affected', 'version': '4.0.0', 'lessThan': '4.0.19', 'versionType': 'custom'}, {'status': 'affected', 'version': '3.1.0', 'lessThan': '3.1.9', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-40999', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-11T15:06:46.401478Z'} -
New CVE Received by [email protected]
Jun. 11, 2026
Action Type Old Value New Value Added Description When WS-Addressing is used with non-anonymous ReplyTo or FaultTo addresses, Spring WS may initiate outbound connections through configured WebServiceMessageSender instances to destinations taken directly from request headers without verifying that those destinations are safe to connect to. Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N Added CWE CWE-918 Added Reference https://spring.io/security/cve-2026-40999