Bug 2436738 (CVE-2026-1642) - CVE-2026-1642 nginx: NGINX: Data injection via man-in-the-middle attack on TLS proxied connections
Summary: CVE-2026-1642 nginx: NGINX: Data injection via man-in-the-middle attack on TL...
Keywords:
Status: NEW
Alias: CVE-2026-1642
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2436870 2436871
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-02-04 16:01 UTC by OSIDB Bzimport
Modified: 2026-04-24 13:51 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:3638 0 None None None 2026-03-03 11:27:20 UTC
Red Hat Product Errata RHSA-2026:4235 0 None None None 2026-03-10 22:32:50 UTC
Red Hat Product Errata RHSA-2026:4705 0 None None None 2026-03-17 10:33:29 UTC
Red Hat Product Errata RHSA-2026:5581 0 None None None 2026-03-24 10:24:48 UTC
Red Hat Product Errata RHSA-2026:5599 0 None None None 2026-03-24 10:29:44 UTC
Red Hat Product Errata RHSA-2026:6182 0 None None None 2026-03-30 14:51:26 UTC
Red Hat Product Errata RHSA-2026:6234 0 None None None 2026-03-31 04:44:58 UTC
Red Hat Product Errata RHSA-2026:6235 0 None None None 2026-03-31 04:40:52 UTC
Red Hat Product Errata RHSA-2026:6302 0 None None None 2026-03-31 21:52:25 UTC
Red Hat Product Errata RHSA-2026:6311 0 None None None 2026-04-01 02:24:04 UTC
Red Hat Product Errata RHSA-2026:6407 0 None None None 2026-04-01 22:46:35 UTC
Red Hat Product Errata RHSA-2026:6408 0 None None None 2026-04-01 20:21:03 UTC
Red Hat Product Errata RHSA-2026:6427 0 None None None 2026-04-02 07:31:34 UTC

Description OSIDB Bzimport 2026-02-04 16:01:15 UTC 
A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security (TLS) servers. An attacker with a man-in-the-middle (MITM) position on the upstream server side—along with conditions beyond the attacker's control—may be able to inject plain text data into the response from an upstream proxied server.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Comment 3 errata-xmlrpc 2026-03-03 11:27:19 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:3638 https://access.redhat.com/errata/RHSA-2026:3638
Comment 4 errata-xmlrpc 2026-03-10 22:32:49 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:4235 https://access.redhat.com/errata/RHSA-2026:4235
Comment 5 errata-xmlrpc 2026-03-17 10:33:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:4705 https://access.redhat.com/errata/RHSA-2026:4705
Comment 6 errata-xmlrpc 2026-03-24 10:24:46 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:5581 https://access.redhat.com/errata/RHSA-2026:5581
Comment 7 errata-xmlrpc 2026-03-24 10:29:43 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:5599 https://access.redhat.com/errata/RHSA-2026:5599
Comment 8 errata-xmlrpc 2026-03-30 14:51:25 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:6182 https://access.redhat.com/errata/RHSA-2026:6182
Comment 9 errata-xmlrpc 2026-03-31 04:40:51 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:6235 https://access.redhat.com/errata/RHSA-2026:6235
Comment 10 errata-xmlrpc 2026-03-31 04:44:56 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:6234 https://access.redhat.com/errata/RHSA-2026:6234
Comment 11 errata-xmlrpc 2026-03-31 21:52:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:6302 https://access.redhat.com/errata/RHSA-2026:6302
Comment 12 errata-xmlrpc 2026-04-01 02:24:03 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:6311 https://access.redhat.com/errata/RHSA-2026:6311
Comment 13 errata-xmlrpc 2026-04-01 20:21:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:6408 https://access.redhat.com/errata/RHSA-2026:6408
Comment 14 errata-xmlrpc 2026-04-01 22:46:34 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:6407 https://access.redhat.com/errata/RHSA-2026:6407
Comment 15 errata-xmlrpc 2026-04-02 07:31:32 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:6427 https://access.redhat.com/errata/RHSA-2026:6427
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