PatchTheCVECVE-2026-5083: Ado::Sessions versions through 0.935 for Perl generates insecure session ids. The session id is generated fro
CVE-2026-5083 is a medium-severity flaw (CVSS 5.3) affecting ado\. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Ado::Sessions versions through 0.935 for Perl generates insecure session ids. The session id is generated from a SHA-1 hash seeded with the built-in rand function, the epoch time, and the PID. The PID will come from a small set of numbers, and the epoch time may be guessed, if it is not leaked from the HTTP Date header. The built-in rand function is unsuitable for cryptographic usage. Predicable session ids could allow an attacker to gain acces
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-5083?
ado\: upgrade to newer than 0.935. Exact commands for each OS are on this page.
Is CVE-2026-5083 being exploited?
CVE-2026-5083 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-5083 affect?
CVE-2026-5083 affects ado\. Severity is medium (CVSS 5.3). Ado::Sessions versions through 0.935 for Perl generates insecure session ids. The session id is generated from a SHA-1 hash seeded with the built-in rand function, the epoch time, and the PID. The PID will come from a small set of numbers,
How urgent is CVE-2026-5083?
Priority 33/100. Remotely exploitable, no login, no user action