CVE-2026-25254: Improper authorization leads to Remote Code Execution via SocketIO interface.

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2026-25254 is a critical-severity flaw (CVSS 9.8) affecting software center. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper authorization leads to Remote Code Execution via SocketIO interface.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-285
Published	2026-09-22
Last modified	2026-09-25

Publisher (CNA): Qualcomm, Inc. · Vendor: qualcomm

Last updated 2026-09-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-22 10:17 UTCPublished CVE record published
2026-09-25 13:37 UTCUpdated Record last modified

qualcomm software center DOWNGRADE

Affected: 1.17.1 · 1.19.1 · 1.21.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.17.1

1. Check installed version

apt-cache policy software-center || rpm -q software-center || software-center --version

2. No fixed release: DOWNGRADE to a release before 1.17.1 (Debian / Ubuntu)

apt-cache madison software-center sudo apt install software-center=<VERSION_BEFORE_1.17.1> sudo apt-mark hold software-center

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list software-center sudo dnf downgrade software-center-<VERSION_BEFORE_1.17.1> sudo dnf versionlock add software-center

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.

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-2026-25254?

software center: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-25254 being exploited?

CVE-2026-25254 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-2026-25254 affect?

CVE-2026-25254 affects software center. Severity is critical (CVSS 9.8). Improper authorization leads to Remote Code Execution via SocketIO interface.

How urgent is CVE-2026-25254?

Priority 49/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Qualcomm vulnerabilities

Related CVEs

CVE-2026-110936 MEDIUM 6.7 EXPLOITED UPGRADE Siemens Software Center Uncontrolled Search Path Element Vulnerability
CVE-2026-25255 HIGH 8.8 DOWNGRADE DOWNGRADE Exposed dangerous function lead to privilege escalation via gRPC server.
CVE-2026-25264 HIGH 8.8 DOWNGRADE Privilege escalation due to weak configuration during package extraction process.
CVE-2026-25265 HIGH 8.8 DOWNGRADE Privilege escalation due to weak configuration while temporary file handling.

References

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