TI-2026-77847 Aliases CVE-2026-101537 GHSA-3qhx-f2f7-3qmg

Improper authentication in Oracle Solaris enables remote takeover

MEDIUM 49CWE-287Published 2026-10-20 · Updated 2026-10-21

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

Oracle Solaris version 11.4 is affected through its Utility component. The flaw is an improper authentication weakness (CWE-287) that lets an unauthenticated attacker with network access over TCP take over the Oracle Solaris system. The CVSS 3.1 base score is 9.8.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Utility). The supported version that is affected is 11.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Oracle Solaris. Successful attacks of this vulnerability can result in takeover of Oracle Solaris. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0045 39th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Oracle	Oracle Solaris	11.4	—	No fix listed	CNA

Oracle Solaris VendorOracle Affected 11.4 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:o:oracle:solaris:11.4:::::::*	11.4	Vulnerable	Oracle

cpe:2.3:o:oracle:solaris:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·Oracle

Remediation

The sources list no fixed version for Oracle Solaris.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2026-10-20
Oracle Solaris — oracle.com/security-alerts/cpuoct2026.html
26 records Highest priority Priority MEDIUM 4 MEDIUM, 22 LOW
Other records, highest priority first
- TI-2026-77045 Missing authentication in Oracle Solaris Image Packaging SystemPriority MEDIUM 49
- TI-2026-77312 Uncontrolled resource consumption in Oracle Solaris servicesPriority MEDIUM 42
- TI-2026-77044 Oracle Solaris Utility flaw allows remote takeover over HTTPPriority MEDIUM 40
Show all 26 records → Advisory →

Timeline

2026-10-21 Threatist record created from CVE-2026-101537
2026-10-21 Alias added: GHSA-3qhx-f2f7-3qmg
2026-10-21 Weakness changed · CISA ADP
2026-10-21 CISA SSVC decision points changed

References

Advisory 1

Oracle Advisory

TI-2020-11706 Out-of-bounds write in Oracle Solaris Operating System KEVCVSS 3.1CRITICAL 10.0
TI-2019-02533 Vulnerability in the Oracle Solaris product of Oracle Systems (component: XScreenSaver). KEVCVSS 3.1HIGH 8.8
TI-2015-03773 The PDF reader in Mozilla Firefox before 39.0.3, Firefox ESR 38.x before 38.1.1, and… KEVCVSS 3.1HIGH 8.8
TI-2008-02866 Stack-based buffer overflow in Adobe Acrobat and Reader 8.1.2 and earlier allows remote… KEVCVSS 3.1HIGH 7.8
TI-2015-04610 Assertion failure in ISC BIND named via TKEY queries KEVCVSS 3.1HIGH 7.5
TI-2007-00858 Argument injection vulnerability in the telnet daemon (in.telnetd) in Solaris 10 and 11… CVSS 2.0HIGH 10.0

See all 563 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences