CVE-2026-5085: Solstice::Session versions through 1440 for Perl generates session ids insecurely. The _generateSessionID met

This month

CRITICAL 9.1REMOTEMITIGATE

CVE-2026-5085 is a critical-severity flaw (CVSS 9.1) affecting solstice\. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Solstice::Session versions through 1440 for Perl generates session ids insecurely. The _generateSessionID method returns an MD5 digest seeded by the epoch time, a random hash reference, a call to the built-in rand() function and the process id. The same method is used in the _generateID method in Solstice::Subsession, which is part of the same distribution. The epoch time may be guessed, if it is not leaked in the HTTP Date header. Stringified

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-338, CWE-340
Published	2026-04-13
Last modified	2026-10-26

Publisher (CNA): CPANSec · Vendor: mcrawfor

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-13 07:16 UTCPublished CVE record published
2026-10-26 22:10 UTCUpdated Record last modified

mcrawfor solstice\ MITIGATE

Affected: \ session

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy solstice || rpm -q solstice || solstice --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2026-5085?

solstice\: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-5085 being exploited?

CVE-2026-5085 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-2026-5085 affect?

CVE-2026-5085 affects solstice\. Severity is critical (CVSS 9.1). Solstice::Session versions through 1440 for Perl generates session ids insecurely. The _generateSessionID method returns an MD5 digest seeded by the epoch time, a random hash reference, a call to the built-in rand() function and the proces

How urgent is CVE-2026-5085?

Priority 44/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Perl vulnerabilities

References

← Back to latest CVEs