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TI-2026-77890 Aliases CVE-2026-101583GHSA-rwcp-r2qc-9pgh

Uncontrolled resource consumption in Oracle Helidon common mapper

Priority LOW 30CWE-400Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Denial of service
Confidentiality · integrity · availability
Low · High · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-400.

Summary

Oracle Helidon versions 4.0.0 through 4.5.5 and from 27.0.0 contain an uncontrolled resource consumption flaw (CWE-400) in the helidon-common-mapper component. A remote, unauthenticated attacker with network access over HTTP can exploit it, although the attack is difficult. Successful attacks can modify or delete critical data, read a subset of Helidon data and cause a partial denial of service.

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

Description from the CNA

Vulnerability in the Helidon product of Oracle Fusion Middleware (component: helidon-common-mapper). Supported versions that are affected are 4.0.0-4.5.5 and 27.0.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Helidon. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Helidon accessible data as well as unauthorized read access to a subset of Helidon accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Helidon. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00227 13th 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

VendorProductAffected versionsFixed inStatusSource
OracleHelidon4.0.0 – 4.5.5; 27.0.0—No fix listedCNA
  • Helidon VendorOracle Affected 4.0.0 – 4.5.5; 27.0.0 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

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

CPEVersionsRoleVendor
cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:*——Oracle
  • cpe:2.3:a:oracle:helidon:*:*:*:*:*:*:*:* Versions — — ·Oracle

Remediation

The sources list no fixed version for Oracle Helidon.

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

Fixed in the same release

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

  • Advisory ·

    Oracle Helidon — oracle.com/security-alerts/cpuoct2026.html

    22 records Highest priority Priority MEDIUM 1 MEDIUM, 21 LOW

    Other records, highest priority first

    • TI-2026-77897 Missing authentication in Oracle Helidon lets attackers modify dataPriority MEDIUM 48
    • TI-2026-77879 Uncontrolled resource consumption in Oracle Helidon HTTP/2 clientPriority LOW 39
    • TI-2026-77892 Information exposure in Oracle Helidon CORS componentPriority LOW 37
    Show all 22 records → Advisory →

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-101583
  2. 2026-10-21 Alias added: GHSA-rwcp-r2qc-9pgh
  3. 2026-10-22 Priority changed: MEDIUM → LOW
  4. 2026-10-29 Weakness changed · CISA ADP
  5. 2026-10-29 CISA SSVC decision points changed

References

Advisory 1

  • 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