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VulnerabilityPublished Updated

CVE-2025-59873: HCL Software ZIE for Web · CWE-598

Affects HCL Software ZIE for WebSource CVE Database V5

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Not known to be exploited · CVSS 5.9 Medium.

Data as of 29 Oct 2026, 19:04 UTC

CVSS 3.1 base score
5.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 25% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
HCL SoftwareZIE for WebAffected
  • =16
Fixed in–

AI-suggested

To mitigate CVE-2025-59873, organizations should immediately audit their use of HCL Software ZIE for Web v16 and identify any instances where session tokens or authentication identifiers are included in URL query parameters. Configuration changes should be applied to ensure tokens are transmitted only via secure HTTP headers or cookies with appropriate flags (HttpOnly, Secure, SameSite). Implement strict URL logging policies to avoid storing sensitive data in logs. Employ network security controls such as encrypted communication channels (TLS) and network segmentation to reduce exposure of traffic. Educate users to avoid clicking untrusted links and implement monitoring to detect unusual session activity indicative of hijacking. Coordinate with HCL Software for patches or updates that address this vulnerability. Additionally, consider implementing multi-factor authentication to reduce the impact of compromised session tokens. Regularly review and update session management practices to align with security best practices and standards.

Description

An information exposure vulnerability exists in Vulnerability in HCL Software ZIE for Web. The application transmits sensitive session tokens and authentication identifiers within the URL query parameters . An attacker who gains access to any network log or operates a site linked from the application can hijack user sessions This issue affects ZIE for Web: v16.

References

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