CVE-2026-114361: HarnessRouter Identity Mode app.py improper authorization
Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.
Generated by VEDAS. Scores as of 2026-11-04 15:41 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.
What it is
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.
Description quoted from the CVE record (assigned by VulDB, published 2026-10-21).
Weakness: Improper Authorization; Incorrect Privilege Assignment
How it can be exploited
Exploitable over the network with high attack complexity with no special attack requirements needing no privileges and no user interaction. Impact: confidentiality low, integrity low, availability low. CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
CISA assessment (SSVC): CISA has no evidence of exploitation. Automatable: no. Technical impact: partial.
Public exploit evidence (Exploit Observer)
Exploit Observer found 3 code repositories naming this CVE.
Code repositories that name a CVE are often scanners, copies or fakes, and some are malware. Read the code before running anything.
See all 5 references on Exploit Observer
Live scores
- EPSS
- 0.004
low predicted chance of attack - VEDAS
- 0.989
strong exploit evidence - On CISA KEV
- Not listed
- Detection rule
- Suricata
Who is affected
| Product | Affected | Not affected |
|---|---|---|
| HarnessRouter | version 0.31.0 version 0.31.1 version 0.31.2 version 0.31.3 version 0.31.4 version 0.31.5 version 0.31.6 version 0.31.7 and 3 more ranges | 0.31.11 is not affected |
Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.
How to fix it
Vendor guidance:
- https://github.com/HarnessRouter/harnessrouter/pull/426 (issue-tracking, patch)
- https://github.com/HarnessRouter/harnessrouter/commit/48a26cdf9c4544d2c88d1a07f0777f063f1d753f (patch)
- https://github.com/HarnessRouter/harnessrouter/releases/tag/v0.31.11 (patch)
How to detect it
Suricata rules (network detection)
1 rule that alert on traffic matching this exploit: VEDAS CVE-2026-114361 HarnessRouter X-Harness-Org/X-Harness-Member Identity Spoofing Authorization Bypass. Add them to your Suricata rule set and reload.
Show the rules
alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2026-114361 HarnessRouter X-Harness-Org/X-Harness-Member Identity Spoofing Authorization Bypass"; flow:established,to_server; http.header; content:"X-Harness-Org"; nocase; fast_pattern; content:"X-Harness-Member"; nocase; classtype:web-application-attack; reference:cve,CVE-2026-114361; reference:url,https://www.exploit.observer/?keyword=CVE-2026-114361&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=harnessrouter&match=exact; sid:1082601; rev:1;)
CVE-2026-114361.rules on GitHub
References
Vendor advisories and patches
- https://github.com/HarnessRouter/harnessrouter/pull/426 (issue-tracking, patch)
- https://github.com/HarnessRouter/harnessrouter/commit/48a26cdf9c4544d2c88d1a07f0777f063f1d753f (patch)
- https://github.com/HarnessRouter/harnessrouter/releases/tag/v0.31.11 (patch)
Technical analysis and advisories
- VDB-424708 | HarnessRouter Identity Mode app.py improper authorization (vdb-entry, technical-description)
- CVE-2026-114361 | CVE Analysis and Report (third-party-advisory)
- Submit #1019383 | harnessrouter >= 0.4.2, < 0.31.11 Authentication Bypass Issues (third-party-advisory)
Other references
- VDB-424708 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- https://github.com/HarnessRouter/harnessrouter/security/advisories/GHSA-qrr8-m92f-7vfp (related)
- https://github.com/HarnessRouter/harnessrouter/ (product)
Other databases
Where this comes from
This advisory is generated automatically by VEDAS from: CVE.org record, cve-scores (EPSS and VEDAS), Exploit Observer, vedas-signatures. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.
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