How severe is CVE-2026-8131?

CVE-2026-8131 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-8131 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-8131?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-8131 have an EU (EUVD) identifier?

Yes. CVE-2026-8131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28520.

When was CVE-2026-8131 published?

CVE-2026-8131 was published on 2026-05-08 and last updated on 2026-06-17.

CVE-2026-8131

CVE-2026-8131 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28520
Weakness: CWE-74
Published: 2026-05-08
Last modified: 2026-06-17

Description

A security flaw has been discovered in SourceCodester SUP Online Shopping 1.0. This impacts an unknown function of the file /admin/replymsg.php. The manipulation of the argument msgid results in sql injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.

Frequently asked questions

What is CVE-2026-8131?: A security flaw has been discovered in SourceCodester SUP Online Shopping 1.0. This impacts an unknown function of the file /admin/replymsg.php. The manipulation of the argument msgid results in sql injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks.
How severe is CVE-2026-8131?: CVE-2026-8131 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-8131 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-8131?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-8131 have an EU (EUVD) identifier?: Yes. CVE-2026-8131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28520.
When was CVE-2026-8131 published?: CVE-2026-8131 was published on 2026-05-08 and last updated on 2026-06-17.

References

Other CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities

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