CVE-2026-5083 Vulnerability Analysis & Exploit Details

CVE-2026-5083
Vulnerability Scoring

5.3
/10
Significant Risk

Security assessments indicate that CVE-2026-5083 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-5083 Details

Status: Analyzed

Last updated: 🕒 23 Apr 2026, 15:04 UTC
Originally published on: 🕕 08 Apr 2026, 06:16 UTC

Time between publication and last update: 15 days

CVSS Release: version 3

CVSS3 Source

134c704f-9b21-4f2e-91b3-4a467353bcc0

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-5083 Vulnerability Summary

CVE-2026-5083: 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 Note that Ado is no longer maintained, and has been removed from the CPAN index.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.

Assessing the Risk of CVE-2026-5083

Access Complexity Graph

The exploitability of CVE-2026-5083 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-5083

With low attack complexity and no required privileges, CVE-2026-5083 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-5083, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-5083, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2026-5083 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2026-5083 poses no threat to data integrity.
  • Availability: Low
    CVE-2026-5083 may slightly degrade system performance without fully affecting service availability.

CVE-2026-5083 References

External References

CWE Common Weakness Enumeration

CWE-340

Vulnerable Configurations

  • cpe:2.3:a:berov:ado\:\:sessions:0.11:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.11:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.12:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.12:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.13:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.13:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.14:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.14:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.15:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.15:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.16:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.16:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.17:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.17:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.18:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.18:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.19:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.19:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.20:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.20:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.21:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.21:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.22:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.22:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.23:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.23:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.25:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.25:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.26:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.26:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.27:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.27:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.28:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.28:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.29:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.29:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.30:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.30:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.31:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.31:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.32:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.32:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.33:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.33:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.34:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.34:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.35:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.35:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.36:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.36:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.37:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.37:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.38:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.38:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.39:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.39:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.40:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.40:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.41:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.41:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.42:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.42:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.43:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.43:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.45:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.45:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.46:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.46:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.47:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.47:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.48:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.48:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.49:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.49:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.50:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.50:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.51:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.51:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.52:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.52:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.53:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.53:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.54:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.54:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.55:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.55:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.56:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.56:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.57:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.57:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.58:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.58:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.59:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.59:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.60:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.60:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.61:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.61:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.62:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.62:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.63:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.63:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.65:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.65:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.67:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.67:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.68:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.68:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.70:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.70:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.71:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.71:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.72:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.72:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.73:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.73:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.74:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.74:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.75:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.75:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.76:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.76:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.77:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.77:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.78:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.78:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.79:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.79:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.81:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.81:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.83:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.83:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.84:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.84:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.86:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.86:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.87:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.87:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.88:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.88:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.89:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.89:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.91:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.91:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.901:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.901:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.932:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.932:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.933:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.933:*:*:*:*:perl:*:*
  • cpe:2.3:a:berov:ado\:\:sessions:0.935:*:*:*:*:perl:*:*
    cpe:2.3:a:berov:ado\:\:sessions:0.935:*:*:*:*:perl:*:*

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