CVE-2025-66838: Aris · n/a
Affects ArisSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 7 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubsaykino/Arispkg:github/saykino/ArisOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Organizations should implement immediate monitoring of file upload activity within Aris to detect unusual spikes in upload volume. Deploying network or application-level rate limiting controls can help restrict the number of uploads per user or IP address, mitigating the risk of resource exhaustion. If possible, restrict upload functionality to authenticated and authorized users only, reducing exposure. Regularly review and increase available disk space and server capacity as a temporary buffer against exhaustion. Engage with the software vendor to obtain patches or updates addressing this vulnerability and apply them promptly once available. Additionally, consider deploying Web Application Firewalls (WAFs) with custom rules to detect and block abnormal upload patterns. Conduct internal audits to identify all instances of Aris deployments and ensure consistent application of these mitigations. Finally, prepare incident response plans to quickly address potential exploitation attempts.
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