CVE-2026-0789
Published: 23 January 2026
Summary
CVE-2026-0789 is a high-severity Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) vulnerability in Algosolutions 8180 Ip Audio Alerter Firmware. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Steal Web Session Cookie (T1539); ranked at the 11.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 AC-22 (Publicly Accessible Content) and AU-13 (Monitoring for Information Disclosure).
Deeper analysis
CVE-2026-0789 is an information disclosure vulnerability in the web-based user interface of ALGO 8180 IP Audio Alerter devices, stemming from the inclusion of an authentication cookie in the response body. This flaw, classified under CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor), arises from inadequate management of sensitive data and carries a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N). Published on January 23, 2026, it affects affected installations of these devices without requiring authentication for exploitation.
Remote attackers can exploit this vulnerability over the network with low complexity and no privileges, user interaction, or special access. By sending crafted requests to the web UI, they can retrieve the authentication cookie and other sensitive information disclosed in the response, enabling potential further compromise within the device's context, such as session hijacking or deeper reconnaissance.
The Zero Day Initiative advisory at https://www.zerodayinitiative.com/advisories/ZDI-26-011/ details the vulnerability, originally canonized as ZDI-CAN-28297. Security practitioners should review this advisory for specific mitigation steps, as no patch details are provided in the initial disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-4437
Vulnerability details
ALGO 8180 IP Audio Alerter Web UI Inclusion of Authentication Cookie in Response Body Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of ALGO 8180 IP Audio Alerter devices. Authentication is not required…
more
to exploit this vulnerability. The specific flaw exists within the web-based user interface. The issue results from the lack of proper management of sensitive information. An attacker can leverage this vulnerability to disclose information in the context of the device. Was ZDI-CAN-28297.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Vulnerability directly discloses auth cookie in unauthenticated web UI responses, enabling session cookie theft.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly prevents disclosure of sensitive authentication cookies in web UI response bodies by requiring filtering and sanitization of information prior to output.
Mitigates exposure of sensitive information like authentication cookies in publicly accessible web UI content by designating authorized content and prohibiting sensitive data.
Enables monitoring and alerting on unauthorized disclosures of sensitive information, such as authentication cookies from unauthenticated web UI requests.