CVE-2026-41045: A time-to-check-time-of-use in polkit authentication of qSnapper before version 1.3.3 allowed a local attacker

Q: How do I fix CVE-2026-41045?

qsnapper: upgrade to 1.3.3. Exact commands for each OS are on this page.

Q: Is CVE-2026-41045 being exploited?

CVE-2026-41045 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-41045 affect?

CVE-2026-41045 affects qsnapper. Severity is high (CVSS 8.1). A time-to-check-time-of-use in polkit authentication of qSnapper before version 1.3.3 allowed a local attacker to bypass qSnappers authentication mechanism and operate e.g. as root user.

Routine

HIGH 8.1UPGRADE

CVE-2026-41045 is a high-severity flaw (CVSS 8.1) affecting qsnapper. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A time-to-check-time-of-use in polkit authentication of qSnapper before version 1.3.3 allowed a local attacker to bypass qSnappers authentication mechanism and operate e.g. as root user.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Local
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 95%)
CISA exploited list	No
Weakness	CWE-367
Published	2026-06-22
Last modified	2026-10-25

Publisher (CNA): SUSE · Vendor: presire

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

Am I affected?

Timeline

2026-06-22 16:16 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

presire qsnapper UPGRADE

Affected: < 1.3.3

Fixed in: 1.3.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy qsnapper || rpm -q qsnapper || qsnapper --version

2. UPGRADE to 1.3.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade qsnapper

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade qsnapper

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-2026-41045?

qsnapper: upgrade to 1.3.3. Exact commands for each OS are on this page.

Is CVE-2026-41045 being exploited?

CVE-2026-41045 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-2026-41045 affect?

CVE-2026-41045 affects qsnapper. Severity is high (CVSS 8.1). A time-to-check-time-of-use in polkit authentication of qSnapper before version 1.3.3 allowed a local attacker to bypass qSnappers authentication mechanism and operate e.g. as root user.

How urgent is CVE-2026-41045?

Priority 30/100. High severity

Related CVEs

CVE-2026-41046 HIGH 7.3 UPGRADE A path traversal attack when using a "configName" parameter in qSnapper before version 1.3.3 allowed a local a
CVE-2026-41048 HIGH 7.1 UPGRADE Incorrect caching of authentication between different polkit methods in qSnapper before version 1.3.3 allowed
CVE-2026-41049 HIGH 7.1 UPGRADE Incorrect caching of authentication between different users of the qSnapper dbus service before version 1.3.3
CVE-2026-41047 MEDIUM 5.5 UPGRADE Lack of authentication when using the "snapshot diff" functions in qSnapper before version 1.3.3 allowed a loc

References

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