TI-2026-77259 Aliases CVE-2026-87422 GHSA-8xqp-7rwm-9r7m

Improper authorization in Oracle Solaris lets attackers modify data

LOW 12CWE-285Published 2026-10-20 · Updated 2026-10-21

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-285.

Summary

Oracle Solaris 11.4 in the Services component has an improper authorization flaw (CWE-285). An unauthenticated attacker with logon to the infrastructure where Oracle Solaris runs can make unauthorized updates, inserts or deletes to some Oracle Solaris accessible data. Exploitation is difficult and requires a human interaction from a person other than the attacker.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Services). The supported version that is affected is 11.4. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Oracle Solaris executes to compromise Oracle Solaris. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Solaris accessible data. CVSS 3.1 Base Score 2.5 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00113 1st 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: 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

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 names Threatist (inferred) · 1

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

CPE	Versions	Role	Vendor
cpe:2.3:o:oracle:solaris::::::::	—	—	Oracle

cpe:2.3:o:oracle:solaris:*:*:*:*:*:*:*:* Versions — — ·Oracle

Remediation

The sources list no fixed version for Oracle Solaris.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

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-2026-77847 Improper authentication in Oracle Solaris enables remote takeoverPriority MEDIUM 49
- 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
Show all 26 records → Advisory →

Timeline

2026-10-21 Threatist record created from CVE-2026-87422
2026-10-21 Alias added: GHSA-8xqp-7rwm-9r7m
2026-10-21 Weakness changed · CISA ADP
2026-10-21 CISA SSVC decision points changed

References

Advisory 1

Oracle Advisory

TI-2026-34425 Improper privilege management in Oracle Payments KEVCVSS 3.1CRITICAL 9.8
TI-2026-27421 Missing authentication in Oracle PeopleSoft Enterprise PeopleTools KEVCVSS 3.1CRITICAL 9.8
TI-2026-17661 Improper access control in Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in KEVCVSS 3.1CRITICAL 10.0
TI-2025-38252 Improper authentication in Oracle Concurrent Processing KEVCVSS 3.1CRITICAL 9.8
TI-2025-38151 Missing authentication in Oracle Identity Manager KEVCVSS 3.1CRITICAL 9.8
TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8

See all 14200 →

Sources

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