CVE-2026-22735
Server Sent Event stream corruption
Description
Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events (SSE). This issue affects Spring Foundation: from 7.0.0 through 7.0.5, from 6.2.0 through 6.2.16, from 6.1.0 through 6.1.25, from 5.3.0 through 5.3.46.
INFO
Published Date :
March 20, 2026, 12:16 a.m.
Last Modified :
April 23, 2026, 2:21 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | LOW | dcf2e128-44bd-42ed-91e8-88f912c1401d | ||||
| CVSS 3.1 | LOW | [email protected] |
Solution
- Update Spring Foundation to a version after 7.0.5.
- Update Spring Foundation to a version after 6.2.16.
- Update Spring Foundation to a version after 6.1.25.
- Update Spring Foundation to a version after 5.3.46.
Public PoC/Exploit Available at Github
CVE-2026-22735 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2026-22735.
| URL | Resource |
|---|---|
| https://spring.io/security/cve-2026-22735 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-22735 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-2026-22735
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).
Parent for Kanopus Spring Boot applications
Config files for my GitHub profile.
config github-config
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-22735 vulnerability anywhere in the article.
-
Daily CyberSecurity
Bypassed Boundaries: Two New Vulnerabilities Threaten Spring Framework Apps
Security researchers have identified two distinct vulnerabilities within the widely used Spring Framework, affecting both Spring MVC and Spring WebFlux applications. The advisories, covering an improp ... Read more
The following table lists the changes that have been made to the
CVE-2026-22735 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.
-
Initial Analysis by [email protected]
Apr. 23, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* versions up to (excluding) 5.3.47 *cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* versions from (including) 6.1.0 up to (excluding) 6.1.26 *cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* versions from (including) 6.2.0 up to (excluding) 6.2.17 *cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* versions from (including) 7.0.0 up to (excluding) 7.0.6 Added Reference Type VMware: https://spring.io/security/cve-2026-22735 Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 20, 2026
Action Type Old Value New Value Added CWE CWE-667 -
New CVE Received by [email protected]
Mar. 20, 2026
Action Type Old Value New Value Added Description Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events (SSE). This issue affects Spring Foundation: from 7.0.0 through 7.0.5, from 6.2.0 through 6.2.16, from 6.1.0 through 6.1.25, from 5.3.0 through 5.3.46. Added CVSS V3.1 AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N Added Reference https://spring.io/security/cve-2026-22735