CR Injection in SSE Encoder Enables Event Splitting via cow_sse:event/1
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI Analysis
Technical Summary
This vulnerability (CVE-2026-43968) involves a CR injection flaw in the Server-Sent Events (SSE) encoder, specifically allowing event splitting through the cow_sse:event/1 function. It affects Microsoft products such as Azure Linux 3.0 and rabbitmq-server. The CWE classification is CWE-93, which relates to improper neutralization of CR characters leading to injection issues. No CVSS score or detailed technical impact is provided, and no known exploits have been reported.
Potential Impact
The impact details are not explicitly provided. CR injection vulnerabilities can potentially allow manipulation of event streams, possibly leading to injection attacks or data integrity issues in SSE communications. However, without further details or exploit reports, the exact impact remains unclear.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is currently available. Monitor vendor communications for updates.
CR Injection in SSE Encoder Enables Event Splitting via cow_sse:event/1
Description
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-43968) involves a CR injection flaw in the Server-Sent Events (SSE) encoder, specifically allowing event splitting through the cow_sse:event/1 function. It affects Microsoft products such as Azure Linux 3.0 and rabbitmq-server. The CWE classification is CWE-93, which relates to improper neutralization of CR characters leading to injection issues. No CVSS score or detailed technical impact is provided, and no known exploits have been reported.
Potential Impact
The impact details are not explicitly provided. CR injection vulnerabilities can potentially allow manipulation of event streams, possibly leading to injection attacks or data integrity issues in SSE communications. However, without further details or exploit reports, the exact impact remains unclear.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is currently available. Monitor vendor communications for updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-43968
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a16098ae29bf47b50653fa4
Added to database: 05/26/2026, 20:58:50 UTC
Last enriched: 06/03/2026, 22:29:07 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 55
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