CVE-2026-120987
UnknownEPSS 0.11%
Last modified
CVE-2026-120987 is a vulnerability of currently unknown severity. Whale Browser before 5.39.412.57 allows an attacker to bypass the iframe sandbox in a dual-tab environment.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.
Description
Whale Browser before 5.39.412.57 allows an attacker to bypass the iframe sandbox in a dual-tab environment.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| NAVER | NAVER Whale browser | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-120987?
Whale Browser before 5.39.412.57 allows an attacker to bypass the iframe sandbox in a dual-tab environment.
How severe is CVE-2026-120987?
Severity scoring for CVE-2026-120987 is pending analysis. The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.
How do I fix CVE-2026-120987?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
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Are you affected by CVE-2026-120987?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST