Interesting. That was not my experience, unless you were also rotating
the keys or moving from a much older version. We were upgrading from
0.5.15 -> 0.5.18 and simply upgrading and restarting munged was
sufficient and caused no issue. That said we have not rotated our munge
keys but will be doing so at our next regular maintenance which is known
to be disruptive.
-Paul Edmon-
On 2/11/2026 5:24 AM, Sean Mc Grath via slurm-users wrote:
FYI, (which others probably already know). Munge needs to be updated
on the slurmctld node(s) before being updated on the slurmd nodes in
my limited testing. Similar to how slurm is updated. Updating munge on
a slurmd node before the slurmctld caused errors on the slurmd node
for the one instance I did that.
---
Sean McGrath
Systems Administrator
Research IT
IT Services
Trinity College Dublin
00 353 - (0)1 896 3725
https://www.tcd.ie/itservices/ <https://www.tcd.ie/itservices/>
https://www.tchpc.tcd.ie/ <http://www.tchpc.tcd.ie/>
------------------------------------------------------------------------
*From:* Ole Holm Nielsen via slurm-users <[email protected]>
*Sent:* Tuesday 10 February 2026 20:59
*To:* [email protected] <[email protected]>
*Subject:* [slurm-users] Re: MUNGE security issue (CVE-2026-25506)
[External Email] This email originated outside of Trinity College
Dublin. Do not click links or open attachments unless you recognise
the sender and know the content is safe.
On 2/10/2026 7:04 PM, Tim Wickberg via slurm-users wrote:
> MUNGE just announced a serious security issue as CVE-2026-25506:
Just a small note on Munge [1] for those of you with RPM-based systems:
Build Munge 0.5.18 RPM packages by:
wget
https://github.com/dun/munge/releases/download/munge-0.5.18/munge-0.5.18.tar.xz
rpmbuild -ta munge-0.5.18.tar.xz
and install the packages from the directory ~/rpmbuild/RPMS/x86_64/ (or
whatever your architecture is).
Best regards,
Ole
[1] https://github.com/dun/munge/releases
--
Ole Holm Nielsen
PhD, Senior HPC Officer
Department of Physics, Technical University of Denmark
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