Tenable Core 2026 Release Notes

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These release notes summarize updates made to Tenable Core in 2026. Downloading and applying the most recent version of the offline ISO image initiates these updates on your Tenable Core machine.

Tip: Tenable recommends applying all offline updates, in order, to your offline Tenable Core machine. Do not skip offline updates.

To update using the Tenable Core offline ISO image, see the documentation for your application:

For more information about product updates, see the release notes for your application.

These release notes are listed in reverse chronological order.

Q4 2025

  • Changes to automatic backup preferences are now applied immediately. Previously, they had no effect until a reboot or a systemctl daemon-reload was run.

  • Fixed a bug where the updates page of the webui failed to show that updates were running if they were running before the page was loaded.

Oracle 8 Security Updates:

ELSA-2025-25743 Moderate linux-firmware security update

ELSA-2025-23543 Important container-tools:rhel8 security update

ELSA-2025-23481 Moderate openssh security update

ELSA-2025-23383 Moderate curl security update

ELSA-2025-23382 Moderate binutils security update

ELSA-2025-23086 Moderate luksmeta security update

ELSA-2025-22801 Moderate kernel security update

ELSA-2025-22388 Moderate kernel security update

ELSA-2025-22063 Moderate cups security update

ELSA-2025-21977 Moderate libssh security update

ELSA-2025-21776 Important expat security update

ELSA-2025-21232 Important container-tools:rhel8 security update

ELSA-2025-20034-0 Important libtiff security update

ELSA-2025-19931 Moderate kernel security update

ELSA-2025-19835 Important bind security update

ELSA-2025-19714 Important libsoup security update

ELSA-2025-19610 Important sssd security update

ELSA-2025-19447 Moderate kernel security update

ELSA-2025-19276 Important libtiff security update

ELSA-2025-19102 Moderate kernel security update

ELSA-2025-18824 Moderate java-21-openjdk security update

ELSA-2025-18297 Moderate kernel security update

ELSA-2026-0753 Important container-tools:rhel8 security update

ELSA-2026-0750 Important net-snmp security update

ELSA-2026-0728 Important gnupg2 security update

ELSA-2026-0596 Moderate cups security update

ELSA-2026-0444 Important kernel security update

ELSA-2026-0421 Important libsoup security update

ELSA-2026-0337 Moderate openssl security update

ELSA-2026-0241 Important libpng security update

 

Oracle 8 Updates

ELBA-2026-50003 pcp bug fix update

ELBA-2026-0369 openscap bug fix and enhancement update

ELBA-2026-0138 sos bug fix and enhancement update

ELBA-2025-28064 systemd bug fix update

ELBA-2025-28046 pcp bug fix update

ELBA-2025-28004 systemd bug fix update

ELBA-2025-25765 pcp bug fix update

ELBA-2025-25748 kexec-tools bug fix update

ELBA-2025-25728 sos bug fix update

ELBA-2025-23464 tzdata bug fix and enhancement update

ELBA-2025-23387 dracut bug fix and enhancement update

ELBA-2025-23385 util-linux bug fix and enhancement update

ELBA-2025-23384 sudo bug fix and enhancement update

ELBA-2025-23381 net-snmp bug fix and enhancement update

ELBA-2025-23380 coreutils bug fix and enhancement update

ELBA-2025-23379 shadow-utils bug fix and enhancement update

ELBA-2025-23378 pam bug fix and enhancement update

ELBA-2025-23377 iscsi-initiator-utils bug fix and enhancement update

ELBA-2025-23376 findutils bug fix and enhancement update

ELBA-2025-23363 rest bug fix and enhancement update

ELBA-2025-22795 glibc bug fix and enhancement update

ELBA-2025-20720 systemd bug fix update

ELBA-2025-20717 kexec-tools bug fix update

ELBA-2025-19576 plymouth bug fix and enhancement update

ELBA-2025-19575 libdmx bug fix and enhancement update

ELBA-2025-19571 ksh bug fix and enhancement update

ELBA-2025-19559 initscripts bug fix and enhancement update

ELBA-2025-19557 glib2 bug fix and enhancement update

ELBA-2025-19556 systemd bug fix and enhancement update

ELBA-2025-19555 microcode_ctl bug fix and enhancement update

ELBA-2025-19554 mdadm bug fix and enhancement update

ELBA-2025-19558 linux-firmware bug fix and enhancement update

ELBA-2025-19289 ca-certificates bug fix and enhancement update

ELBA-2025-17417 linux-firmware bug fix and enhancement update

 

Type Reference
Oracle Linux 8 : kernel (ELSA-2025-18297)

CVE-2023-53373
CVE-2025-39757
Oracle Linux 10 / 8 / 9 : java-21-openjdk (ELSA-2025-18824)

CVE-2025-53057
CVE-2025-53066
CVE-2025-61748
Oracle Linux 8 : kernel (ELSA-2025-19102)

CVE-2022-50386
CVE-2023-53297
CVE-2023-53386
CVE-2025-39817
CVE-2025-39841
CVE-2025-39849
Oracle Linux 8 : libtiff (ELSA-2025-19276)

CVE-2025-9900
Oracle Linux 8 : kernel (ELSA-2025-19447)

CVE-2023-53226
CVE-2023-53257
CVE-2025-39864

Oracle Linux 8 : sssd (ELSA-2025-19610)

CVE-2025-11561

Oracle Linux 8 : libsoup (ELSA-2025-19714)

CVE-2025-11021
CVE-2025-4945
Oracle Linux 8 : bind (ELSA-2025-19835)

CVE-2025-40778
Oracle Linux 8 : kernel (ELSA-2025-19931)

CVE-2022-50367
CVE-2023-53178
CVE-2025-40300

Oracle Linux 8 : ELSA-2025-20034-0: / libtiff (ELSA-2025-200340)

CVE-2025-8176

Oracle Linux 8 : container-tools:rhel8 (ELSA-2025-21232)

CVE-2025-31133
CVE-2025-52565
CVE-2025-52881
Oracle Linux 8 : expat (ELSA-2025-21776)

CVE-2025-59375
Oracle Linux 8 : libssh (ELSA-2025-21977)

CVE-2025-5372
Oracle Linux 8 : cups (ELSA-2025-22063)

CVE-2025-58364
Oracle Linux 8 : kernel (ELSA-2025-22388)

CVE-2023-53513
CVE-2025-38724
CVE-2025-39825
CVE-2025-39883
CVE-2025-39955
Oracle Linux 8 : kernel (ELSA-2025-22801)

CVE-2022-50543
CVE-2023-53401
CVE-2023-53539
Oracle Linux 8 : luksmeta (ELSA-2025-23086)

CVE-2025-11568
Oracle Linux 8 : binutils (ELSA-2025-23382)

CVE-2025-11083
Oracle Linux 8 : curl (ELSA-2025-23383)

CVE-2025-9086
Oracle Linux 8 : openssh (ELSA-2025-23481)

CVE-2025-61984
CVE-2025-61985
Oracle Linux 8 : container-tools:rhel8 (ELSA-2025-23543)

CVE-2025-52881
Oracle Linux 8 : linux-firmware (ELSA-2025-25743)

CVE-2025-62626
Oracle Linux 8 : libpng (ELSA-2026-0241)

CVE-2025-64720
CVE-2025-65018
CVE-2025-66293
Oracle Linux 8 : openssl (ELSA-2026-0337)

CVE-2025-9230
Oracle Linux 8 : libsoup (ELSA-2026-0421)

CVE-2025-14523
Oracle Linux 8 : kernel (ELSA-2026-0444)

CVE-2025-39993
CVE-2025-40240
CVE-2025-68285
Oracle Linux 8 : cups (ELSA-2026-0596)

CVE-2025-58436
CVE-2025-61915
Oracle Linux 8 : gnupg2 (ELSA-2026-0728)

CVE-2025-68973
Oracle Linux 8 : net-snmp (ELSA-2026-0750)

CVE-2025-68615
Oracle Linux 8 : container-tools:rhel8 (ELSA-2026-0753)

CVE-2025-47913