How severe is CVE-2026-24447?

CVE-2026-24447 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-24447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-24447?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-24447 have an EU (EUVD) identifier?

Yes. CVE-2026-24447 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5509.

When was CVE-2026-24447 published?

CVE-2026-24447 was published on 2026-02-04 and last updated on 2026-06-17.

CVE-2026-24447

CVE-2026-24447 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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-1236.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 4.8
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-5509
Weakness: CWE-1236
Published: 2026-02-04
Last modified: 2026-06-17

Description

If a malformed data is input to the affected product, a CSV file downloaded from the affected product may contain such malformed data. When a victim user download and open such a CSV file, the embedded code may be executed in the user's environment. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well.

Frequently asked questions

What is CVE-2026-24447?: If a malformed data is input to the affected product, a CSV file downloaded from the affected product may contain such malformed data. When a victim user download and open such a CSV file, the embedded code may be executed in the user's environment. Note that Movable Type 7 series and 8.4 series, which are End-of-Life (EOL), are affected by the vulnerability as well.
How severe is CVE-2026-24447?: CVE-2026-24447 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-24447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-24447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-24447 have an EU (EUVD) identifier?: Yes. CVE-2026-24447 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5509.
When was CVE-2026-24447 published?: CVE-2026-24447 was published on 2026-02-04 and last updated on 2026-06-17.

References

Other CWE-1236 (Improper Neutralization of Formula Elements in a CSV File) vulnerabilities

CVE-2026-31049 — Critical (CVSS 9.8): An issue in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to execute arbitrary code and escalate…
CVE-2020-36962 — Critical (CVSS 9.8): Tendenci 12.3.1 contains a CSV formula injection vulnerability in the contact form message field that allows attackers…
CVE-2021-47901 — Critical (CVSS 9.8): Dirsearch 0.4.1 contains a CSV injection vulnerability when using the --csv-report flag that allows attackers to inject…
CVE-2020-36941 — Critical (CVSS 9.8): Knockpy 4.1.1 contains a CSV injection vulnerability that allows attackers to inject malicious formulas into CSV…
CVE-2025-56267 — Critical (CVSS 9.8): A CSV injection vulnerability in the /id_profiles endpoint of Avigilon ACM v7.10.0.20 allows attackers to execute…
CVE-2023-47295 — Critical (CVSS 9.8): A CSV injection vulnerability in NCR Terminal Handler v1.5.1 allows attackers to execute arbitrary commands via…

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