SecuriTricks - CVE-2026-5083

Description

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 access to systems. Note that Ado is no longer maintained, and has been removed from the CPAN index. It is still available on BackPAN.

Product(s) Impacted

Vendor	Product	Versions
Ado	Sessions	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-338

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	ado	sessions	/	/	/	/	/	/	/	/

References

https://backpan.perl.org/authors/id/B/BE/BEROV/Ado-0.935.tar.gz

https://github.com/kberov/Ado/issues/112

https://security.metacpan.org/docs/guides/random-data-for-security.html

http://www.openwall.com/lists/oss-security/2026/04/08/7

CVSS Score

5.3 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

View Vector String

Timeline

Published: April 8, 2026, 6:16 a.m.
Last Modified: April 8, 2026, 9:26 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

9b29abf9-4ab0-4765-b253-1875cd9b441e

CVE-2026-5083