CVE-2026-19816Public exploitHinoki check available

Unauthorized package removal via simulated RepoRemove

Published Sep 14, 2026 · Updated Sep 14, 2026

Incorrect authorization in PackageKit 1.3.4 through 1.3.6 allows local users to uninstall packages via simulated RepoRemove requests. The dnf5 RepoRemove branch executes trans.download() and trans.run() when the role equals REPO_REMOVE even when the transaction carries SIMULATE. Any unprivileged local account can remove repository-owner RPMs or packages installed from that repository without a polkit prompt; arbitrary installation and a root shell are not granted.

CVSS severity7.1
High
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Incorrect authorization in PackageKit 1.3.4 through 1.3.6 allows local users to uninstall packages via simulated RepoRemove requests. The dnf5 RepoRemove branch executes trans.download() and trans.run() when the role equals REPO_REMOVE even when the transaction carries SIMULATE. Any unprivileged local account can remove repository-owner RPMs or packages installed from that repository without a polkit prompt; arbitrary installation and a root shell are not granted.

The record

CVE
CVE-2026-19816
Published
Sep 14, 2026
Updated
Sep 14, 2026
Vendor
Fedora Project
Product
Fedora Linux
Classifications
CWE-863
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.3.4 <1.4.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Fedora Project · Fedora Linuxversion=1.3.4 <1.4.0
PackageKit Project · PackageKitversion=1.3.4 <1.4.0

Published CVSS scores

7.1GitHub Advisory DatabaseCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
7.1Red HatCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-863Incorrect Authorization

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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