How severe is CVE-2026-102490?

No CVSS score has been assigned to CVE-2026-102490 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2026-102490?

Affected package information for CVE-2026-102490 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2026-102490?

No fixed release is recorded for CVE-2026-102490 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.

How do I detect CVE-2026-102490 in my code and dependencies?

Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

How do I mitigate CVE-2026-102490 if there is no patch (or I can't update yet)?

Close the privilege gap rather than the entry point: audit which accounts, roles and service identities can reach the affected operation, drop the component to the least privilege it actually needs, and review file and directory permissions created by earlier installs — a default left in place is what makes this reachable.

Is CVE-2026-102490 actively exploited in the wild?

No public exploit code has been indexed for CVE-2026-102490 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2026-102490?

CVE-2026-102490 has an EPSS (Exploit Prediction Scoring System) score of 0.3%, placing it in the 16th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2026-102490?

CVE-2026-102490 is classified as Improper Privilege Management (CWE-269). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2026-102490 published, and has it been updated?

CVE-2026-102490 was published on September 30, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

Not in CISA KEV

CVE-2026-102490

CVE-2026-102490 is a Improper Privilege Management vulnerability. No vendor fix is recorded yet; mitigation options are listed below.

All versions of Zammad including the latest alpha enable the local zammad user to escalate privileges to root.

Published

Sep 30, 2026

Updated

Sep 30, 2026

Affected

1 product

Patched

See advisory

Exploits

None indexed

Exploitation data as of Oct 2, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Actively exploited in the wild

CISA’s SSVC triage classifies this CVE as under active exploitation.
A successful exploit gives an attacker total control of the affected component, not partial access.

Exploitation and automatability from CISA’s SSVC triage for CVE-2026-102490.

EPSS Exploitation Probability

via FIRST.org ↗

0.3%probability of exploitation in next 30 days

Lower Risk-0.06%

Lower risk than most CVEs16th percentile — riskier than 16% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

Description

All versions of Zammad including the latest alpha enable the local zammad user to escalate privileges to root.

Affected Products

1 product · 2 configurations

Application

zammadzammad

≥ 1.5.0 && < 7.1.0

1 version

7.1.0

Detection & mitigation playbook

Vulnerability

Detect
Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).
Remediation status
No fixed release is recorded for CVE-2026-102490 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.
Mitigate without a patch
Close the privilege gap rather than the entry point: audit which accounts, roles and service identities can reach the affected operation, drop the component to the least privilege it actually needs, and review file and directory permissions created by earlier installs — a default left in place is what makes this reachable.

Frequently Asked Questions

All versions of Zammad including the latest alpha enable the local zammad user to escalate privileges to root.

O3 Security · Impact-Aware SCA

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CVE-2026-102490

Exploitation Status

Actively exploited in the wild

EPSS Exploitation Probability

Description

Affected Products

Detection & mitigation playbook

Detect

Remediation status

Mitigate without a patch

Frequently Asked Questions

Is CVE-2026-102490 in your dependencies?