Quick answers
- Is CVE-2026-100288 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-100288 being exploited in the wild.
- How severe is CVE-2026-100288?
- Informational severity, published 29 September 2026.
- Which products and versions are affected?
- Devolutions Server 2026.3.5.0 and earlier.
- Is there a fix for CVE-2026-100288?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-100288 attacked?
- It is attacked with local access, in a hosted service.
- Am I affected by CVE-2026-100288?
- Check whether you run Devolutions Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is a cleartext storage of sensitive data issue in Devolutions Server's database layer. An attacker with read access to the backend database (via SQL injection, direct database access, or compromised database credentials) can extract unencrypted external identity provider tokens and active session identifiers. A fix is expected in versions after 2026.3.5.0.
Affected products
- Devolutions Server 2026.3.5.0 and earlier
Timeline
- 2026-09-29: disclosed