What is CVE-2025-66838?

CVE-2025-66838 is a medium-severity vulnerability in Softwareag Aris, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-01-07.

How severe is CVE-2025-66838?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2025-66838 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Softwareag Aris

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

EPSS: 0.003 (23.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Softwareag Aris
N/a — versions n/a

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

saykino/CVE-2025-66838

References

cve@mitre.org (Product)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2025-66838?: CVE-2025-66838 is a medium-severity vulnerability in Softwareag Aris, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-01-07.
How severe is CVE-2025-66838?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-66838 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.