Security readout for executives and security teams
Plain-English summary
CVE-2026-22820 affects Outray, an open-source ngrok alternative. Before version 0.1.5, a timing flaw could let a user create more active tunnels than their subscription plan allows. The main business risk is quota bypass and potential service abuse, not direct data theft or system takeover based on the available sources.
Executive priority
Prioritize remediation where Outray enforces paid plans, quotas, or shared service limits. This is not currently evidenced as a takeover risk, but it can undermine billing controls and capacity management.
Technical view
Outray versions before 0.1.5 contain a CWE-367 time-of-check/time-of-use race condition in tunnel creation. The advisory states the flaw allows exceeding configured active tunnel limits. CVSS 4.0 is 6.3 with network attack vector, high attack complexity, no user interaction, and low integrity impact. Version 0.1.5 fixes the issue.
Likely exposure
Exposure is most relevant for organizations operating Outray versions below 0.1.5 with subscription plans or active tunnel quotas. The sources do not identify specific hosted services, distributions, or downstream products beyond akinloluwami/outray.
Exploitation context
The issue requires winning a race condition during tunnel creation, reflected by high attack complexity. There is no KEV listing and the provided sources do not report active exploitation or public weaponization.
Researcher notes
Public details are limited to the advisory, CVE record, and fixing commit. The vulnerability is classified as CWE-367 and impacts quota enforcement during tunnel creation. Avoid assuming broader privilege escalation or confidentiality impact beyond the stated low integrity impact.
Mitigation direction
- Upgrade Outray to version 0.1.5 or later.
- Review the GitHub advisory for vendor guidance.
- Monitor active tunnel counts for quota bypass anomalies.
- If upgrade timing is uncertain, assess temporary operational controls around tunnel creation.
Validation and detection
- Inventory Outray deployments and identify versions below 0.1.5.
- Confirm upgraded systems report version 0.1.5 or later.
- Review tenant or user tunnel metrics for limit violations.
- Check change records against the referenced fixing commit.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-367: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-22820 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
6.3MediumVector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/outray-tunnel/outray/security/advisories/GHSA-3pqc-836w-jgr7CVE reference · x_refsource_CONFIRM
- https://github.com/outray-tunnel/outray/commit/08c61495761349e7fd2965229c3faa8d7b1c1581CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Time-of-check Time-of-use (TOCTOU) Race Condition
Time-of-check Time-of-use (TOCTOU) Race Condition represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.