CVE-2023-26758: Sme.UP TOKYO V6R1M220406 was discovered to contain an arbitrary file download vulnerabilty via the component /

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2023-26758 is a high-severity flaw (CVSS 7.5) affecting erp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sme.UP TOKYO V6R1M220406 was discovered to contain an arbitrary file download vulnerabilty via the component /ResourceService.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-02-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: smeup

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-02-27 16:15 UTCPublished CVE record published
2026-06-17 05:43 UTCUpdated Record last modified

smeup erp DOWNGRADE

Affected: tokyo_v6r1m220406

Fixed in: no fixed release known

Safe to downgrade to: a release before tokyo_v6r1m220406

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before tokyo_v6r1m220406 (Debian / Ubuntu)

apt-cache madison erp sudo apt install erp=<VERSION_BEFORE_tokyo_v6r1m220406> sudo apt-mark hold erp

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

dnf --showduplicates list erp sudo dnf downgrade erp-<VERSION_BEFORE_tokyo_v6r1m220406> sudo dnf versionlock add erp

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-2023-26758?

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

Is CVE-2023-26758 being exploited?

CVE-2023-26758 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-2023-26758 affect?

CVE-2023-26758 affects erp. Severity is high (CVSS 7.5). Sme.UP TOKYO V6R1M220406 was discovered to contain an arbitrary file download vulnerabilty via the component /ResourceService.

How urgent is CVE-2023-26758?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

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References

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