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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-1536

22
FAUCET Score

CVE-2026-1536 is a medium-severity vulnerability in libsoup that allows an attacker to inject arbitrary HTTP headers or perform HTTP response splitting. This is achieved by injecting CRLF sequences into the Content-Disposition header, which are then interpreted verbatim during HTTP request/response construction. The vulnerability requires no authentication or user interaction and has a CVSS score of 5.8. While there is no known active exploitation or public exploit code, the vulnerability has garnered some community discussion, indicating awareness.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:gnome:libsoup:-:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.8MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 12th percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (5)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: libsoup3
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libsoup
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: libsoup
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libsoup
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: libsoup

Vendor Advisories (1)

redhatCVE-2026-1536Moderate

libsoup: libsoup: HTTP header injection or response splitting via CRLF injection in Content-Disposition header

Jan 28, 2026

References

access.redhat.com / security/cve/CVE-2026-1536
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
gitlab.gnome.org / GNOME/libsoup/-/issues/486
ExploitIssue TrackingVendor Advisory