CVE-2025-41083: Altitude Communication Server · Injection
Affects Altitude Communication ServerSource CVE Database V5
Not known to be exploited · CVSS 5.1 Medium.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 26 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AltitudeAltitude Communication Server | Affected
| Fixed in– |
AI-suggested
Organizations should implement strict validation and sanitization of HTTP Host headers at the network perimeter and within web application firewalls to detect and block suspicious header manipulations. Employing Content Security Policy (CSP) headers can help restrict redirection to trusted domains. Monitoring and logging HTTP requests for anomalous Host header values can aid in early detection of exploitation attempts. User awareness training should emphasize the risks of clicking on unsolicited or suspicious links, especially those that may redirect to login pages. Network segmentation and multi-factor authentication (MFA) can reduce the impact of credential compromise. Until a vendor patch is available, consider deploying reverse proxies or web application firewalls with custom rules to neutralize Host header injection attempts. Engage with the vendor for timely updates and patches, and apply them promptly once released.
Description
Vulnerability in Altitude Authentication Service and Altitude Communication Server v8.5.3290.0 by Altitude, where manipulation of Host header in HTTP requests allows redirection to an arbitrary URL or modification of the base URL to trick the victim into sending login credentials to a malicious website. This behavior can be used to redirect clients to endpoints controlled by the attacker.