CVE-2026-19278

MEDIUMPre-NVD 6.86.8—
EchelonGraph scoreHIGH confidence

Score 6.8 from GitHub Security Advisory published 2026-08-10. a secondary CVSS source baseline 6.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A flaw was found in StackRox/RHACS Central's Auth Machine-to-Machine (M2M) token exchange. When an administrator configures M2M role mappings, the system uses unanchored regular expressions for matching claim values. This allows an attacker with a valid OpenID Connect (OIDC) token, whose claim value is a superstring of a configured pattern, to gain unauthorized access to roles they were not intended to receive. This can lead to privilege escalation within the system.

CVSS v3
6.8
EG Score
6.8(high)
EG Risk
31(Track)
EG Risk 31/100SSVC: Track

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 computed
Severity68% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
12%
KEV
Not listed

Published

August 10, 2026

Last Modified

August 14, 2026

Advisory Details (2)

Auto-updated Aug 10, 2026
Patch available. Sources: redhat.
redhat

2512524 – (CVE-2026-19278) CVE-2026-19278 stackrox: stackrox: Privilege escalation via unanchored regular expressions in Auth M2M role mappings

https://bugzilla.redhat.com/show_bug.cgi?id=2512524
redhat Patch Available

CVE-2026-19278 - Red Hat Customer Portal

Affected: Red Hat Enterprise Linux 8 or OpenShift Container Platform 4, is affected by this vulnerability and a fix may be released to a

https://access.redhat.com/security/cve/CVE-2026-19278

Vendor Advisories for CVE-2026-19278(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 20× in last 7d / 38× 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.

  1. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 18:08 UTCGHSA enrichment
  3. 2026-08-19 18:44 UTCEG score recompute
  4. 2026-08-19 18:44 UTCGHSA enrichment
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-18 17:24 UTCEG score recompute
  7. 2026-08-18 17:24 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-17 17:29 UTCEG score recompute
  10. 2026-08-17 17:29 UTCGHSA enrichment
  11. 2026-08-17 13:47 UTCEPSS rescore
  12. 2026-08-16 18:05 UTCEG score recompute
  13. 2026-08-16 18:05 UTCGHSA enrichment
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 02:14 UTCEPSS rescore
  16. 2026-08-15 18:42 UTCEG score recompute
  17. 2026-08-15 18:42 UTCGHSA enrichment
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-14 19:19 UTCEG score recompute
  20. 2026-08-14 19:19 UTCGHSA enrichment
  21. 2026-08-14 04:47 UTCEG score recompute
  22. 2026-08-14 04:47 UTCGHSA enrichment
  23. 2026-08-13 22:00 UTCEPSS rescore
  24. 2026-08-13 05:24 UTCEG score recompute
  25. 2026-08-13 05:24 UTCGHSA enrichment
Show 13 more
  1. 2026-08-12 13:50 UTCEPSS rescore
  2. 2026-08-12 06:01 UTCEG score recompute
  3. 2026-08-12 06:01 UTCGHSA enrichment
  4. 2026-08-11 13:42 UTCEPSS rescore
  5. 2026-08-11 06:38 UTCEG score recompute
  6. 2026-08-11 06:38 UTCGHSA enrichment
  7. 2026-08-10 18:24 UTCEG score recompute
  8. 2026-08-10 18:24 UTCGHSA enrichment
  9. 2026-08-10 18:15 UTCEG score recompute
  10. 2026-08-10 18:15 UTCGHSA enrichment
  11. 2026-08-10 13:20 UTCEG score recompute
  12. 2026-08-10 12:17 UTCEG score recompute
  13. 2026-08-10 12:17 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-19278?
CVE-2026-19278 is a medium vulnerability published on August 10, 2026. A flaw was found in StackRox/RHACS Central's Auth Machine-to-Machine (M2M) token exchange. When an administrator configures M2M role mappings, the system uses unanchored regular expressions for matching claim values. This allows an attacker with a valid OpenID Connect (OIDC) token, whose claim…
When was CVE-2026-19278 disclosed?
CVE-2026-19278 was first published in the National Vulnerability Database on August 10, 2026, with the most recent update on August 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-19278 actively exploited?
CVE-2026-19278 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 88.5% of all scored CVEs.
What is the CVSS score of CVE-2026-19278?
CVE-2026-19278 has a CVSS v3 base score of 6.8 (NVD).
How do I remediate CVE-2026-19278?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-19278, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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