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Microsoft Security Response CenterCVE-2026-5119

Libsoup: libsoup: information disclosure via cleartext transmission of cookies during https tunnel establishment

Mariner

Read the vendor bulletin Get alerts for cbl2 libsoup 3.0.4-13 on CBL Mariner
5.9CVSS out of 10Medium severity
Scope

What the vendor says is affected

  • cbl2 libsoup 3.0.4-13 on CBL Mariner 2.0
  • azl3 libsoup 3.4.4-14 on Azure Linux 3.0
  • azl3 libsoup 3.4.4-16 on Azure Linux 3.0
  • cbl2 libsoup 3.0.4-13 on CBL-Mariner 2.0
  • azl3 libsoup 3.4.4-15 on Azure Linux 3.0
  • azl3 libsoup 3.4.4-17 on Azure Linux 3.0
Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-5119View CVSS, KEV, EPSS, and threat context
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