How severe is CVE-2026-6835?

CVE-2026-6835 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-6835 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-6835?

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

Does CVE-2026-6835 have an EU (EUVD) identifier?

Yes. CVE-2026-6835 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24603.

When was CVE-2026-6835 published?

CVE-2026-6835 was published on 2026-04-22 and last updated on 2026-06-17.

CVE-2026-6835

CVE-2026-6835 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.1
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-24603
Weakness: CWE-434
Published: 2026-04-22
Last modified: 2026-06-17

Description

The a+HCM developed by aEnrich has an Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload arbitrary files to any path, including HTML documents, which may result in a XSS-like effect.

Frequently asked questions

What is CVE-2026-6835?: The a+HCM developed by aEnrich has an Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload arbitrary files to any path, including HTML documents, which may result in a XSS-like effect.
How severe is CVE-2026-6835?: CVE-2026-6835 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-6835 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-6835?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-6835 have an EU (EUVD) identifier?: Yes. CVE-2026-6835 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24603.
When was CVE-2026-6835 published?: CVE-2026-6835 was published on 2026-04-22 and last updated on 2026-06-17.

References

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-48283 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-48276 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-57700 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in Daan.Dev OMGF Pro allows Using Malicious Files. This…
CVE-2025-69129 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in WordPress & WooCommerce Scraper Plugin, Import Data from Any Site <= 1.0.7…
CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.
CVE-2026-40412 — Critical (CVSS 10.0): Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code…

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