CVE-2026-21954: Vulnerability in the Oracle Retail Xstore Point of Service product of Oracle Retail Applications (component: X

Routine

MEDIUM 4.3DOWNGRADE

CVE-2026-21954 is a medium-severity flaw (CVSS 4.3) affecting retail xstore point of service. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Vulnerability in the Oracle Retail Xstore Point of Service product of Oracle Retail Applications (component: Xstore Mobile). The supported version that is affected is 21.0.3. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Retail Xstore Point of Service. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Retail Xstore Point of

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-07-21
Last modified	2026-10-24

Publisher (CNA): Oracle · Vendor: oracle

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-21 22:17 UTCPublished CVE record published
2026-10-24 19:10 UTCUpdated Record last modified

oracle retail xstore point of service DOWNGRADE

Affected: 21.0.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 21.0.3

1. Check installed version

apt-cache policy retail-xstore-point-of-service || rpm -q retail-xstore-point-of-service || retail-xstore-point-of-service --version

2. No fixed release: DOWNGRADE to a release before 21.0.3 (Debian / Ubuntu)

apt-cache madison retail-xstore-point-of-service sudo apt install retail-xstore-point-of-service=<VERSION_BEFORE_21.0.3> sudo apt-mark hold retail-xstore-point-of-service

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

dnf --showduplicates list retail-xstore-point-of-service sudo dnf downgrade retail-xstore-point-of-service-<VERSION_BEFORE_21.0.3> sudo dnf versionlock add retail-xstore-point-of-service

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-2026-21954?

retail xstore point of service: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-21954 being exploited?

CVE-2026-21954 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-2026-21954 affect?

CVE-2026-21954 affects retail xstore point of service. Severity is medium (CVSS 4.3). Vulnerability in the Oracle Retail Xstore Point of Service product of Oracle Retail Applications (component: Xstore Mobile). The supported version that is affected is 21.0.3. Easily exploitable vulnerability allows low privileged attacker

How urgent is CVE-2026-21954?

Priority 20/100. No elevated risk signals yet.

Related CVEs

CVE-2026-21953 LOW 3.3 DOWNGRADE Vulnerability in the Oracle Retail Xstore Point of Service product of Oracle Retail Applications (component: X

References

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