Input Handling Flaw in libsoup Affects Multiple Vendors
CVE-2026-1536

5.8MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
28 January 2026

What is CVE-2026-1536?

A vulnerability exists in libsoup that allows an attacker to manipulate the Content-Disposition header by injecting CRLF (Carriage Return Line Feed) sequences. This exploitation enables the attacker to craft arbitrary HTTP headers, risking HTTP header injection or HTTP response splitting. The flaw does not require authentication or any interaction from the user, making it easier for potential attackers to exploit.

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References

https://access.redhat.com/security/cve/CVE-2026-1536
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2433834
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
5.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Red Hat would like to thank Codean Labs for reporting this issue.
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