CVE-2026-9862: Fortra's Core Privileged Access Manager (BoKS) contains an OS command injection vulnerability in the boks_aut

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CRITICAL 9.8REMOTEUPGRADE

CVE-2026-9862 is a critical-severity flaw (CVSS 9.8) affecting core privileged access manager server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Fortra's Core Privileged Access Manager (BoKS) contains an OS command injection vulnerability in the boks_autoregisterd service. A remote attacker with network access to the service may be able to cause commands to be executed with the privileges of the service during the autoregistration processing.

Why this priority

Critical severity
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-06-15
Last modified	2026-10-25

Publisher (CNA): Fortra · Vendor: fortra

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-15 16:16 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

fortra core privileged access manager server UPGRADE

Affected: >= 8.1.0.0 and < 8.1.0.23 · >= 9.0.0.0 and < 9.0.0.5

Fixed in: 8.1.0.23, 9.0.0.5

Safe to downgrade to: a release before 8.1.0.0

1. Check installed version

apt-cache policy core-privileged-access-manager-server || rpm -q core-privileged-access-manager-server || core-privileged-access-manager-server --version

2. UPGRADE to 8.1.0.23 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade core-privileged-access-manager-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade core-privileged-access-manager-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 8.1.0.0 (Debian / Ubuntu)

apt-cache madison core-privileged-access-manager-server sudo apt install core-privileged-access-manager-server=<VERSION_BEFORE_8.1.0.0> sudo apt-mark hold core-privileged-access-manager-server

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list core-privileged-access-manager-server sudo dnf downgrade core-privileged-access-manager-server-<VERSION_BEFORE_8.1.0.0> sudo dnf versionlock add core-privileged-access-manager-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

Fedora 46 · mingw-qt5-qtwebkit · FIXED · 5.212.0-0.46.alpha4.fc46 · FEDORA-2026-46ae541c22 · source

sudo dnf upgrade --advisory=FEDORA-2026-46ae541c22

Fedora ELN · kdominate · FIXED · 26.08.2-2.eln159 · FEDORA-2026-b1d98239fd · source

sudo dnf upgrade --advisory=FEDORA-2026-b1d98239fd

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-2026-9862?

core privileged access manager server: upgrade to 8.1.0.23, 9.0.0.5. Exact commands for each OS are on this page.

Is CVE-2026-9862 being exploited?

CVE-2026-9862 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-2026-9862 affect?

CVE-2026-9862 affects core privileged access manager server. Severity is critical (CVSS 9.8). Fortra's Core Privileged Access Manager (BoKS) contains an OS command injection vulnerability in the boks_autoregisterd service. A remote attacker with network access to the service may be able to cause commands to be executed with the pri

How urgent is CVE-2026-9862?

Priority 58/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-9863 HIGH 7.5 UPGRADE Fortra BoKS Manager contains an OS command injection vulnerability in the client upgrade and patch tooling for

References

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