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CVE-2026-76405: In Splunk On-Call (VictorOps) app versions below 1.0.43 on Splunkbase, a user who does not hold the "admin" or

17
Routine
MEDIUM 4.3UPGRADE

CVE-2026-76405 is a medium-severity flaw (CVSS 4.3) affecting on-call. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Splunk On-Call (VictorOps) app versions below 1.0.43 on Splunkbase, a user who does not hold the "admin" or "power" Splunk roles could read a partially masked Application Programming Interface (API) key from the App Key Value Store (KV Store). The exposure is possible because the Splunk On-Call (VictorOps) app does not fully mask the API key before storing it in a KV Store collection that the user can read. For more information see About the a

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score4.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.2% (top 92%)
CISA exploited listNo
WeaknessCWE-312
Published2026-08-19
Last modified2026-08-24
Publisher (CNA): Cisco Systems, Inc. · Vendor: splunk

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Last updated 2026-08-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

splunk on-call UPGRADE
Affected: < 1.0.43
Fixed in: 1.0.43
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy on-call || rpm -q on-call || on-call --version
2. UPGRADE to 1.0.43 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade on-call
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade on-call
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-76405?

on-call: upgrade to 1.0.43. Exact commands for each OS are on this page.

Is CVE-2026-76405 being exploited?

CVE-2026-76405 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-76405 affect?

CVE-2026-76405 affects on-call. Severity is medium (CVSS 4.3). In Splunk On-Call (VictorOps) app versions below 1.0.43 on Splunkbase, a user who does not hold the "admin" or "power" Splunk roles could read a partially masked Application Programming Interface (API) key from the App Key Value Store (KV S

How urgent is CVE-2026-76405?

Priority 17/100. No elevated risk signals yet.

Software pages

Splunk vulnerabilities

References

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