Fedora 45 : libsoup3 (2026-6fb683df94)

medium Nessus Plugin ID 303191

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Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 45 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-6fb683df94 advisory.

Automatic update for libsoup3-3.6.6-6.fc45.

##### **Changelog**

```
* Thu Mar 19 2026 Milan Crha <[email protected]> - 3.6.6-6
- Add patch for CVE-2026-1539 (Also remove Proxy-Authorization header on cross origin redirect)
- Resolves: rhbz#2433867

```

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected libsoup3 package.

Plugin Details

Severity: Medium

ID: 303191

File Name: fedora_2026-6fb683df94.nasl

Version: 1.1

Type: local

Agent: unix

Family: Fedora Local Security Checks

Published: 3/20/2026

Updated: 3/20/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2026-1539

CVSS v3

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 5.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:45, p-cpe:/a:fedoraproject:fedora:libsoup3

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/19/2026

Vulnerability Publication Date: 1/28/2026

Reference Information

CVE: CVE-2026-1539

FEDORA: 2026-6fb683df94

IAVA: 2026-A-0139-S

Detections

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