HarnessRouter Identity Mode app.py improper authorization
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Privilege escalation, Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-285.
Summary
A vulnerability was detected in HarnessRouter up to 0.31.10. This affects an unknown function of the file gateway/app.py of the component Identity Mode. Performing a manipulation of the argument X-Harness-Org/X-Harness-Member results in improper authorization. The attack is possible to be carried out remotely. The attack is considered to have high complexity. The exploitability is reported as difficult. Upgrading to version 0.31.11 mitigates this issue. The patch is named 48a26cdf9c4544d2c88d1a07f0777f063f1d753f. The affected component should be upgraded.
Why it matters now
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 |
|---|---|---|---|---|---|
| — | HarnessRouter | 0.31.0; 0.31.1; 0.31.2; 0.31.3; 0.31.4; 0.31.5; 0.31.6; 0.31.7; 0.31.8; 0.31.9; 0.31.10 | 0.31.11 | Patch available | CNA |
- HarnessRouter Vendor— Affected 0.31.0; 0.31.1; 0.31.2; 0.31.3; 0.31.4; 0.31.5; 0.31.6; 0.31.7; 0.31.8; 0.31.9; 0.31.10 Fixed in 0.31.11 Patch available CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:harnessrouter:harnessrouter:*:*:*:*:*:*:*:* | — | — | — |
- cpe:2.3:h:harnessrouter:harnessrouter:*:*:*:*:*:*:*:* Versions — — ·—
Remediation
- Fix · CNA HarnessRouter Fixed in 0.31.11
Timeline
- 2026-10-21 Threatist record created from CVE-2026-114361
- 2026-10-21 Alias added: GHSA-cjch-h263-r66v
- 2026-10-23 Priority changed: MEDIUM → LOW
- 2026-10-23 CISA SSVC decision points changed
References
Patch 3
Sources
- CVE-2026-114361 · CVE Program
- CVE-2026-114361 · NVD
- FIRST EPSS
- GHSA-cjch-h263-r66v · GitHub Advisory Database · CC BY 4.0
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