# CVE-2026-100164: Rolantis Agentis observable response discrepancy in account enumeration

Source: https://junglewise.ai/threats/cve-2026-100164-observable-response-discrepancy-vulnerability-in-rolantis  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-27. Updated: 2026-10-27  
License: CC BY 4.0 with a link back

CVE-2026-100164 · Severity: high · CVSS 7.5 · Published 2026-10-27

Rolantis Agentis is a platform used in the tourism and trade industry. A response discrepancy vulnerability allows attackers to enumerate valid user accounts, potentially enabling targeted account takeover or credential stuffing attacks.

Technologies: [Rolantis Information Technologies Agentis](https://junglewise.ai/threats/technologies/agentis). Vendors: [Rolantis Information Technologies](https://junglewise.ai/threats/vendors/rolantis-information-technologies).

## Quick answers

**Is CVE-2026-100164 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-100164 being exploited in the wild.

**How severe is CVE-2026-100164?** High severity, with a CVSS score of 7.5, published 27 October 2026.

**Which products and versions are affected?** Rolantis Information Technologies Agentis before 4.8.

**Is there a fix for CVE-2026-100164?** 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-2026-100164 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-100164?** Check whether you run Rolantis Information Technologies Agentis 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

An observable response discrepancy exists in Agentis that leaks information through timing or behavioral differences in server responses, allowing account footprinting and enumeration. The vulnerability affects Agentis before version 4.8 and requires only network access to exploit. An attacker can identify valid accounts without authentication, providing a foothold for further attacks.

## Affected products

- Rolantis Information Technologies Agentis before 4.8

## Timeline

- 2026-10-27: disclosed

## References

- [https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1406](https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1406)

## Related threats

- [Rolantis Agentis cross-site scripting in HTML attributes](https://junglewise.ai/threats/cve-2026-87752-improper-neutralization-of-input-during-web-page-generation-cross)
- [Rolantis Agentis session fixation in Agentis platform](https://junglewise.ai/threats/cve-2025-10228-rolantis-agentis-session-fixation-in-agentis-platform)
- [Rolantis Information Technologies Agentis SQL injection](https://junglewise.ai/threats/cve-2025-4285-rolantis-information-technologies-agentis-sql-injection)
- [Rolantis Agentis Cross-Site Scripting vulnerability](https://junglewise.ai/threats/cve-2025-4284-rolantis-agentis-cross-site-scripting-vulnerability)