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TI-2026-70857 Aliases CVE-2026-21135GHSA-9wh2-hfq2-27w2

Improper access control in Samsung Internet exposes sensitive information

Priority LOW 25CWE-284Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

Samsung Internet before version 30.0.5.6 has an improper access control flaw (CWE-284) that lets a local attacker access sensitive information. The attacker needs only local access to the device and no user interaction or privileges.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Improper access control in Samsung Internet prior to version 30.0.5.6 allows local attackers to access sensitive information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00105 1st percentileScored 2026-11-07
Fix Fixed Samsung Internet (Samsung Mobile): 30.0.5.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SamsungSamsung Internet—30.0.5.6Patch availableCNA
  • Samsung Internet VendorSamsung Affected — Fixed in 30.0.5.6 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:samsung:internet:*:*:*:*:*:*:*:*——Samsung
  • cpe:2.3:a:samsung:internet:*:*:*:*:*:*:*:* Versions — — ·Samsung

Remediation

Update Samsung Internet to version 30.0.5.6 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA Samsung Internet (Samsung Mobile) Fixed in 30.0.5.6

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-21135
  2. 2026-10-12 Alias added: GHSA-9wh2-hfq2-27w2
  3. 2026-10-12 Priority changed: MEDIUM → LOW
  4. 2026-10-16 Weakness changed · CISA ADP
  5. 2026-10-16 CISA SSVC decision points changed

References

  • TI-2025-15039 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-15038 Out-of-bounds write in Samsung Mobile Devices KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-04133 Path traversal in Samsung MagicINFO 9 Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-06858 Path traversal in Samsung MagicINFO 9 Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2016-00916 Integer overflow in Adobe Flash Player before 18.0.0.333 and 19.x through 21.x before… KEVCVSS 3.1HIGH 8.8
  • TI-2022-06595 An improper check or handling of exceptional conditions in NPU driver prior to SMR… KEVCVSS 3.1HIGH 7.8
See all 2043 →

Sources