HCL Connections is vulnerable to information disclosure

published 2026-02-20 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-207686

cvss: 3.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits: 0; none known

HCL Connections is vulnerable to information disclosure. In a very specific user navigation scenario, this could allow a user to obtain limited information when a single piece of internal metadata is returned in the browser.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 8 mo ago (2026-02-20)

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

Affected products

HCLSoftware Connections

Classification

Weakness

CWE-213 Exposure of Sensitive Information Due to Incompatible Policies

References

support.hcl-software.com /csm?id=kb_article&sysparm_article=KB0124242
vendor-advisory

Sources

CVE List CVE-2025-52603
NVD CVE-2025-52603

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary