<div class="container">
<h1>Security update for python-PyJWT</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2626-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-06-25T08:11:35Z</td>
</tr>
<tr>
<th>Rating:</th>
<td>important</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266798">bsc#1266798</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266799">bsc#1266799</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266800">bsc#1266800</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266801">bsc#1266801</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266802">bsc#1266802</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>
Cross-References:
</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-48522.html">CVE-2026-48522</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-48523.html">CVE-2026-48523</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-48524.html">CVE-2026-48524</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-48525.html">CVE-2026-48525</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-48526.html">CVE-2026-48526</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>CVSS scores:</th>
<td>
<ul class="list-group">
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48522</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48522</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48522</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.2</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48523</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48523</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.4</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48523</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.4</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48524</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48524</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">3.7</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48524</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">3.7</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48525</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48525</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48526</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48526</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.4</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-48526</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.4</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.4</li>
<li class="list-group-item">Public Cloud Module 15-SP4</li>
<li class="list-group-item">Python 3 Module 15-SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing LTSS 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing LTSS 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP4 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP7</li>
<li class="list-group-item">SUSE Manager Proxy 4.3</li>
<li class="list-group-item">SUSE Manager Retail Branch Server 4.3</li>
<li class="list-group-item">SUSE Manager Server 4.3</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves five vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for python-PyJWT fixes the following issues</p>
<ul>
<li>CVE-2026-48522: <code>PyJWKClient</code> passes URI arguments directly to <code>urllib.request.urlopen()</code> and allows for SSRF and
token forgery (bsc#1266798).</li>
<li>CVE-2026-48523: verifier-side algorithm allow-list bypass when <code>jwt.decode()</code> or <code>jwt.decode_complete()</code> are called
with a PyJWK key (bsc#1266799).</li>
<li>CVE-2026-48524: unlimited processing of JWTs with unknown kid values by <code>PyJWKClient.get_signing_key()</code> leads to
unbounded JWKS endpoint requests and DoS (bsc#1266800).</li>
<li>CVE-2026-48525: unbounded Base64URL decoding of unused payload segment in <code>b64=false</code> detached JWS allows for DoS
(bsc#1266801).</li>
<li>CVE-2026-48526: no validation of use of JSON Web Keys in HMAC algorithm when decoding JSON Web Tokens allows for
forged HS256 tokens (bsc#1266802).</li>
</ul>
<h2>Patch Instructions:</h2>
<p>
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".<br/>
Alternatively you can run the command listed for your product:
</p>
<ul class="list-group">
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2626=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2626=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP6 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2626=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2626=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2626=1</code>
</li>
<li class="list-group-item">
Public Cloud Module 15-SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2026-2626=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2626=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2626=1</code>
</li>
<li class="list-group-item">
Python 3 Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-2626=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP4 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2626=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.4
<br/>
<code>zypper in -t patch SUSE-2026-2626=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2626=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP5 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2626=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
<li>
Public Cloud Module 15-SP4 (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.4 (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
<li>
Python 3 Module 15-SP7 (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
<ul>
<li>python311-PyJWT-2.8.0-150400.8.13.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-48522.html">https://www.suse.com/security/cve/CVE-2026-48522.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-48523.html">https://www.suse.com/security/cve/CVE-2026-48523.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-48524.html">https://www.suse.com/security/cve/CVE-2026-48524.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-48525.html">https://www.suse.com/security/cve/CVE-2026-48525.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-48526.html">https://www.suse.com/security/cve/CVE-2026-48526.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266798">https://bugzilla.suse.com/show_bug.cgi?id=1266798</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266799">https://bugzilla.suse.com/show_bug.cgi?id=1266799</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266800">https://bugzilla.suse.com/show_bug.cgi?id=1266800</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266801">https://bugzilla.suse.com/show_bug.cgi?id=1266801</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1266802">https://bugzilla.suse.com/show_bug.cgi?id=1266802</a>
</li>
</ul>
</div>