Exposure of Data Element to Wrong Session Affecting s390utils-se-data package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.75% (53rd percentile)

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  • Snyk IDSNYK-RHEL10-S390UTILSSEDATA-19893384
  • published18 Sept 2026
  • disclosed6 Sept 2026

Introduced: 6 Sep 2026

CVE-2026-19931  (opens in a new tab)
CWE-488  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 s390utils-se-data.

NVD Description

Note: Versions mentioned in the description apply only to the upstream s390utils-se-data package and not the s390utils-se-data package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

A flaw in libcurl makes it wrongly reuse an HTTP connection setup for a given hostname using Negotiate authentication, when the initial request is done using empty credentials. This can make user B's request get sent over user A's previously authenticated connection.

CVSS Base Scores

version 3.1