How severe is CVE-2026-21768?

CVE-2026-21768 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-21768 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-21768?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-21768 have an EU (EUVD) identifier?

Yes. CVE-2026-21768 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38035.

When was CVE-2026-21768 published?

CVE-2026-21768 was published on 2026-06-19 and last updated on 2026-06-22.

CVE-2026-21768

CVE-2026-21768 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-38035
Weakness: CWE-20
Published: 2026-06-19
Last modified: 2026-06-22

Description

The compose-rich-editor library (v1.0.0-rc14) used in HCL Verse for Android's rich text email composition fails to properly validate all HTML input thereby allowing malicious content to be executed in certain situations.

Frequently asked questions

What is CVE-2026-21768?: The compose-rich-editor library (v1.0.0-rc14) used in HCL Verse for Android's rich text email composition fails to properly validate all HTML input thereby allowing malicious content to be executed in certain situations.
How severe is CVE-2026-21768?: CVE-2026-21768 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-21768 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-21768?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-21768 have an EU (EUVD) identifier?: Yes. CVE-2026-21768 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38035.
When was CVE-2026-21768 published?: CVE-2026-21768 was published on 2026-06-19 and last updated on 2026-06-22.

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130866

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