CVE-2026-40828
CVE-2026-40828 is a medium-severity vulnerability with a CVSS 3.x base score of 5.5. 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-89.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v4: 7.0
- EPSS exploit prediction: 0% (21st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-32157
- Weakness: CWE-89
- Published:
- Last modified:
Description
A high privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the DeleteSysLogEntry function due to improper neutralization of special elements in a SQL DELETE command allowing for reading the whole database and deleting entries in a non critical table. This can result in a total loss of confidentiality and some loss of integrity.
Frequently asked questions
- What is CVE-2026-40828?
- A high privileged remote attacker can exploit an unauthenticated SQL Injection vulnerability in the DeleteSysLogEntry function due to improper neutralization of special elements in a SQL DELETE command allowing for reading the whole database and deleting entries in a non critical table. This can result in a total loss of confidentiality and some loss of integrity.
- How severe is CVE-2026-40828?
- CVE-2026-40828 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2026-40828 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-40828?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-40828 have an EU (EUVD) identifier?
- Yes. CVE-2026-40828 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32157.
- When was CVE-2026-40828 published?
- CVE-2026-40828 was published on 2026-05-27 and last updated on 2026-06-17.
References
Other CWE-89 (SQL Injection) vulnerabilities
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