cve.bz

CVE-2026-66981

6.5 medium

Medium (6.5).

HCL AION is affected by a vulnerability where the application trusted the value of the HTTP Host header supplied in requests without validation. An attacker could manipulate this header to influence links, redirects or responses generated by the application, potentially resulting in unintended behavior or security impact under certain conditions.

Severity

CVSS 3.1

6.5 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
CWE
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)
OWASP Top 10
A05:2025 Injection
Published
Record from
the NVD, synced

Ask an AI about this CVE

Show the promptExplain CVE-2026-66981 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-66981?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-66981?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-66981 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.

Versions

From the CNA's record in the CVE List.

ProductAffected
HCL Software HCL AIONV 2.7.0

Attack patterns (CAPEC)

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-74 (37).

References

Check your stackJSON