iscsiuio control-socket authentication bypass in open-iscsi
Priority LOW 37CWE-863Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-863.
Summary
An Incorrect Authorization vulnerability in open-iscsi allows unprivilidged local users to use the isscsiuio control socket. This issue affects open-iscsi: from ? through 668ca1df9c9a1e9bdd5c999ae1d67c9c8909237e.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00093 0th percentileScored 2026-11-07
Fix Fixed Red Hat: 5 advisories
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
No affected products listed by the sources yet.
Remediation
Red Hat 5 advisories
- RHSA-2026:62029 Released 2026-09-01 · Red Hat rating Importantiscsi-initiator-utils security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) python3-iscsi-initiator-utils-6.2.1.4-3.git2a8f9d8.el9_2.2
- Red Hat Enterprise Linux BaseOS E4S (v.9.2) iscsi-initiator-utils-6.2.1.4-3.git2a8f9d8.el9_2.2, iscsi-initiator-utils-iscsiuio-6.2.1.4-3.git2a8f9d8.el9_2.2
- RHSA-2026:60428 Released 2026-08-27 · Red Hat rating Importantiscsi-initiator-utils security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream EUS (v.9.6) python3-iscsi-initiator-utils-6.2.1.9-1.gita65a472.el9_6.3
- Red Hat Enterprise Linux BaseOS EUS (v.9.6) iscsi-initiator-utils-6.2.1.9-1.gita65a472.el9_6.3, iscsi-initiator-utils-iscsiuio-6.2.1.9-1.gita65a472.el9_6.3
- RHSA-2026:60427 Released 2026-08-26 · Red Hat rating Importantiscsi-initiator-utils security update
- Red Hat Enterprise Linux AppStream E4S (v.9.4) python3-iscsi-initiator-utils-6.2.1.9-1.gita65a472.el9_4.2
- Red Hat Enterprise Linux BaseOS E4S (v.9.4) iscsi-initiator-utils-6.2.1.9-1.gita65a472.el9_4.2, iscsi-initiator-utils-iscsiuio-6.2.1.9-1.gita65a472.el9_4.2
Show 2 more Red Hat advisories
- RHSA-2026:53844 Released 2026-08-11 · Red Hat rating Importantiscsi-initiator-utils security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) python3-iscsi-initiator-utils-6.2.1.11-1.git4b3e853.el9_8.2
- Red Hat Enterprise Linux BaseOS (v. 9) iscsi-initiator-utils-6.2.1.11-1.git4b3e853.el9_8.2, iscsi-initiator-utils-iscsiuio-6.2.1.11-1.git4b3e853.el9_8.2
- RHSA-2026:53845 Released 2026-08-11 · Red Hat rating Importantiscsi-initiator-utils security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 10) python3-iscsi-initiator-utils-6.2.1.11-1.git4b3e853.el10_2.2
- Red Hat Enterprise Linux BaseOS (v. 10) iscsi-initiator-utils-6.2.1.11-1.git4b3e853.el10_2.2, iscsi-initiator-utils-iscsiuio-6.2.1.11-1.git4b3e853.el10_2.2
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2026:53845 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2026:53844 |
| Red Hat Enterprise Linux AppStream E4S (v.9.2) | Fixed | RHSA-2026:62029 |
| Red Hat Enterprise Linux AppStream E4S (v.9.4) | Fixed | RHSA-2026:60427 |
| Red Hat Enterprise Linux AppStream EUS (v.9.6) | Fixed | RHSA-2026:60428 |
| Red Hat Enterprise Linux BaseOS (v. 10) | Fixed | RHSA-2026:53845 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2026:53844 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.2) | Fixed | RHSA-2026:62029 |
| Red Hat Enterprise Linux BaseOS E4S (v.9.4) | Fixed | RHSA-2026:60427 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.6) | Fixed | RHSA-2026:60428 |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-44944
- 2026-10-03 Alias added: GHSA-jm64-8832-wmmq
References
More open-iscsi vulnerabilities
- TI-2026-40390 Double-free in the iSNS attribute decoder in open-iscsi CVSS 4.0HIGH 8.7
- TI-2026-32809 remote limited file-write as root via discovery in open-iscsi CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-44944 · CVE Program
- CVE-2026-44944 · NVD
- FIRST EPSS
- GHSA-jm64-8832-wmmq · GitHub Advisory Database · CC BY 4.0
- CVE-2026-44944 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences