Missing HTTP Security Headers in DevOps Loop

published 2026-07-17 3 mo ago modified 2026-10-24 15 d ago also EUVD-2026-45232

cvss: 3.7; 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 21%
public exploits: 0; none known

HCL DevOps Loop is affected by missing HTTP security headers. Missing security headers may reduce browser protections against common web-based attacks such as clickjacking, MIME-type sniffing, and cross-site scripting.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 3 mo ago (2026-07-17)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

HCLSoftware DevOps Loop

Classification

Weakness

CWE-644 Improper Neutralization of HTTP Headers for Scripting Syntax

References

support.hcl-software.com /csm?id=kb_article&sysparm_article=KB0132296
vendor-advisory

Sources

CVE List CVE-2026-21762
NVD CVE-2026-21762

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Summary