Critical severity · published Jan 28, 2026
CVE-2025-69602
A session fixation vulnerability exists in 66biolinks v62.0.0 by AltumCode, where the application does not regenerate the session identifier after successful authentication
9.1
CVSS
0.4%
EPSS
No
On KEV
Description
A session fixation vulnerability exists in 66biolinks v62.0.0 by AltumCode, where the application does not regenerate the session identifier after successful authentication. As a result, the same session cookie value is reused for users logging in from the same browser, allowing an attacker who can set or predict a session ID to potentially hijack an authenticated session.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 33% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
66
66biolinks · Altumcode
62.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-69602
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-69602
Exploit
https://gist.github.com/Waqar-Arain/c8117308325a91b8f3b7829646915275
More from 66biolinks
6.5
CVE-2025-69601
A directory traversal (Zip Slip) vulnerability exists in the “Static Sites” feature of 66biolinks v44.0.0 by AltumCode
5.4
CVE-2025-66939
Cross Site Scripting vulnerability in 66biolinks by AltumCode v.61.0.1 allows an attacker to execute arbitrary code via a crafted favicon file