UTMStack before 11.2.16 contains a server-side request forgery vulnerability in IdentityProviderService.validateMetadataUrl() that allows authenticated attackers to make the server send requests to arbitrary internal or cloud metadata hosts by supplying a malicious metadata URL to the identity-providers endpoint. Attackers can exploit the POST/PUT /api/identity-providers endpoint with no validation of target host, IP, or scheme to perform internal network port scanning and access cloud instance-metadata services.
CVE-2026-82040
MEDIUMPre-NVD 5.05.0—Trending — 4 sources updated this week
EchelonGraph scoreHIGH confidence
Score 5.0 from GitHub Security Advisory published 2026-10-02. The CNA's CVSS baseline 5.0; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
5.0EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 5.0Exploit: None knownExposed services: Not assessed
A fix is available — apply it.
- CVSS v3
- 5.0
- EG Score
- 5.0MEDIUMhigh confidence
- EG Risk
- 27EG Risk 27/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity50% × 45%Exploitation0% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 0.2%
- EPSS %ILE
- 8th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
October 2, 2026
Last Modified
October 4, 2026
Advisory Details (3)
Auto-updated Oct 2, 2026Patch available. Sources: github_release, github_commit.
generic
UTMStack < 11.2.16 SSRF via IdentityProviderService | Advisories | VulnCheck
https://www.vulncheck.com/advisories/utmstack-ssrf-via-identityproviderservicegithub_commit Patch Available
commit 4e7a727c3b8d (utmstack/UTMStack)
Patch available: utmstack/UTMStack v11.2.14 (contains commit 4e7a727c3b8d)
https://github.com/utmstack/UTMStack/commit/4e7a727c3b8d8e2ad020d3b4f982a6d085dbecddgithub_release Patch Available
v11.2.16
Patch available: UTMStack/UTMStack v11.2.16
https://github.com/UTMStack/UTMStack/releases/tag/v11.2.16Vendor Advisories for CVE-2026-82040(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 9× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-10-04 23:22 UTCEPSS rescore
- 2026-10-04 15:58 UTCEG score recompute
- 2026-10-04 15:58 UTCGHSA enrichment
- 2026-10-03 19:44 UTCEG score recompute
- 2026-10-03 19:44 UTCGHSA enrichment
- 2026-10-03 14:26 UTCEPSS rescore
- 2026-10-02 20:20 UTCEG score recompute
- 2026-10-02 20:12 UTCEG score recompute
- 2026-10-02 20:10 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-82040?
CVE-2026-82040 is a medium vulnerability published on October 2, 2026. UTMStack before 11.2.16 contains a server-side request forgery vulnerability in IdentityProviderService.validateMetadataUrl() that allows authenticated attackers to make the server send requests to arbitrary internal or cloud metadata hosts by supplying a malicious metadata URL to the…
When was CVE-2026-82040 disclosed?
CVE-2026-82040 was first published on October 2, 2026, with the most recent update on October 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82040 actively exploited?
CVE-2026-82040 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (8th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-82040?
CVE-2026-82040 has a CVSS base score of 5.0 (the CNA's own assessment, by vulncheck; NVD's own analysis pending).
How do I remediate CVE-2026-82040?
A fix for CVE-2026-82040 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-82040 are linked in the Vendor Advisories panel on this page.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-82040
Is Your Infrastructure Affected by CVE-2026-82040?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.