How severe is CVE-2025-66838?

CVE-2025-66838 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 no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-66838 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-66838?

CVE-2025-66838 affects Softwareag Aris. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-66838?

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

Does CVE-2025-66838 have an EU (EUVD) identifier?

Yes. CVE-2025-66838 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1214.

When was CVE-2025-66838 published?

CVE-2025-66838 was published on 2026-01-07 and last updated on 2026-06-17.

CVE-2025-66838

CVE-2025-66838 is a medium-severity vulnerability in Softwareag Aris 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1214
Weakness: CWE-770
Affected product: Softwareag Aris
Published: 2026-01-07
Last modified: 2026-06-17

Description

In Aris v10.0.23.0.3587512 and before, the file upload functionality does not enforce any rate limiting or throttling, allowing users to upload files at an unrestricted rate. An attacker can exploit this behavior to rapidly upload a large volume of files, potentially leading to resource exhaustion such as disk space depletion, increased server load, or degraded performance

Frequently asked questions

What is CVE-2025-66838?: In Aris v10.0.23.0.3587512 and before, the file upload functionality does not enforce any rate limiting or throttling, allowing users to upload files at an unrestricted rate. An attacker can exploit this behavior to rapidly upload a large volume of files, potentially leading to resource exhaustion such as disk space depletion, increased server load, or degraded performance
How severe is CVE-2025-66838?: CVE-2025-66838 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 no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-66838 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-66838?: CVE-2025-66838 affects Softwareag Aris. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-66838?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-66838 have an EU (EUVD) identifier?: Yes. CVE-2025-66838 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1214.
When was CVE-2025-66838 published?: CVE-2025-66838 was published on 2026-01-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:softwareag:aris:*:*:*:*:*:*:*:*

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