CVE-2026-12756

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-09-15. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: None knownExposed: 0

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

IBM Business Automation Workflow containers and traditional is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.

CVSS v3
7.1
EG Score
7.1(high)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity71% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
42%
KEV
Not listed

Published

September 14, 2026

Last Modified

September 16, 2026

Advisory Details (1)

Auto-updated Sep 14, 2026
Patch available.
generic Patch Available

Security Bulletin: Multiple secuirty vulnerabilies addressed with IBM Business Automation Workflow August 2026

https://www.ibm.com/support/pages/node/7285930

Vendor Advisories for CVE-2026-12756(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 27× in last 7d / 27× 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. 2026-09-20 20:15 UTCEPSS rescore
  2. 2026-09-20 17:35 UTCGHSA enrichment
  3. 2026-09-20 05:50 UTCGHSA enrichment
  4. 2026-09-19 18:09 UTCEG score recompute
  5. 2026-09-19 18:09 UTCGHSA enrichment
  6. 2026-09-19 06:27 UTCEG score recompute
  7. 2026-09-19 06:27 UTCGHSA enrichment
  8. 2026-09-18 19:27 UTCEPSS rescore
  9. 2026-09-18 18:46 UTCGHSA enrichment
  10. 2026-09-18 07:05 UTCEG score recompute
  11. 2026-09-18 07:05 UTCGHSA enrichment
  12. 2026-09-17 19:23 UTCGHSA enrichment
  13. 2026-09-17 07:16 UTCGHSA enrichment
  14. 2026-09-16 19:35 UTCGHSA enrichment
  15. 2026-09-16 14:55 UTCEG score recompute
  16. 2026-09-16 14:55 UTCGHSA enrichment
  17. 2026-09-16 05:14 UTCEPSS rescore
  18. 2026-09-16 03:14 UTCGHSA enrichment
  19. 2026-09-15 15:32 UTCEG score recompute
  20. 2026-09-15 15:32 UTCGHSA enrichment
  21. 2026-09-15 14:54 UTCEG score recompute
  22. 2026-09-15 14:54 UTCGHSA enrichment
  23. 2026-09-15 10:04 UTCEG score recompute
  24. 2026-09-15 10:04 UTCGHSA enrichment
  25. 2026-09-14 22:20 UTCEG score recompute
Show 2 more
  1. 2026-09-14 21:25 UTCEG score recompute
  2. 2026-09-14 21:24 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12756?
CVE-2026-12756 is a high vulnerability published on September 14, 2026. IBM Business Automation Workflow containers and traditional is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources.
When was CVE-2026-12756 disclosed?
CVE-2026-12756 was first published in the National Vulnerability Database on September 14, 2026, with the most recent update on September 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12756 actively exploited?
CVE-2026-12756 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 58.4% of all scored CVEs.
What is the CVSS score of CVE-2026-12756?
CVE-2026-12756 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-12756?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12756, 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

Explore the affected products and dependency analysis for CVE-2026-12756

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