CVE-2026-4096

MEDIUMNVD 6.16.5▲
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory published 2026-06-11. NVD baseline CVSS 6.1; sources differ by 0.4.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.1Exploit: NoneExposed: 0

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

IBM DevOps Plan 3.0.0 through 3.0.6 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking

CVSS v3
6.1
EG Score
6.5(high)
EPSS
4.5%
KEV
Not listed

Published

June 11, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Jun 12, 2026
No patch confirmed yet.
generic

Security Bulletin: A vulnerability has been identified in IBM DevOps Plan that allows a Host Header Injection attack due to improper handling of the Host header in HTTP requests. (CVE-2026-4096)

https://www.ibm.com/support/pages/node/7275005

Vendor Advisories for CVE-2026-4096(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 / 85× 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. 2026-07-07 03:01 UTCEG score recompute
  2. 2026-07-07 03:01 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-05 21:39 UTCEG score recompute
  6. 2026-07-05 21:39 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 20:19 UTCEG score recompute
  9. 2026-07-04 20:19 UTCGHSA enrichment
  10. 2026-07-04 06:31 UTCEPSS rescore
  11. 2026-07-03 19:20 UTCEG score recompute
  12. 2026-07-03 19:20 UTCGHSA enrichment
  13. 2026-07-02 18:23 UTCEG score recompute
  14. 2026-07-02 18:23 UTCGHSA enrichment
  15. 2026-07-01 17:25 UTCEG score recompute
  16. 2026-07-01 17:25 UTCGHSA enrichment
  17. 2026-07-01 15:07 UTCEPSS rescore
  18. 2026-06-30 23:22 UTCEPSS rescore
  19. 2026-06-30 16:18 UTCEG score recompute
  20. 2026-06-30 16:18 UTCGHSA enrichment
  21. 2026-06-29 15:07 UTCEG score recompute
  22. 2026-06-29 15:07 UTCGHSA enrichment
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-29 14:06 UTCEPSS rescore
  25. 2026-06-28 14:07 UTCEPSS rescore
Show 60 more
  1. 2026-06-28 14:07 UTCEG score recompute
  2. 2026-06-28 14:07 UTCGHSA enrichment
  3. 2026-06-28 04:56 UTCEPSS rescore
  4. 2026-06-28 04:56 UTCEPSS rescore
  5. 2026-06-27 13:09 UTCEG score recompute
  6. 2026-06-27 13:09 UTCGHSA enrichment
  7. 2026-06-27 03:08 UTCEPSS rescore
  8. 2026-06-26 12:11 UTCEG score recompute
  9. 2026-06-26 12:11 UTCGHSA enrichment
  10. 2026-06-25 13:49 UTCEPSS rescore
  11. 2026-06-25 10:19 UTCEG score recompute
  12. 2026-06-25 10:19 UTCGHSA enrichment
  13. 2026-06-24 14:05 UTCEPSS rescore
  14. 2026-06-24 09:21 UTCEG score recompute
  15. 2026-06-24 09:21 UTCGHSA enrichment
  16. 2026-06-23 21:33 UTCEPSS rescore
  17. 2026-06-23 21:33 UTCEPSS rescore
  18. 2026-06-23 08:24 UTCEG score recompute
  19. 2026-06-23 08:24 UTCGHSA enrichment
  20. 2026-06-22 14:25 UTCEPSS rescore
  21. 2026-06-22 14:25 UTCEPSS rescore
  22. 2026-06-22 04:30 UTCEG score recompute
  23. 2026-06-22 04:30 UTCGHSA enrichment
  24. 2026-06-21 14:56 UTCEPSS rescore
  25. 2026-06-21 14:56 UTCEPSS rescore
  26. 2026-06-21 03:26 UTCEG score recompute
  27. 2026-06-21 03:26 UTCGHSA enrichment
  28. 2026-06-21 01:59 UTCEPSS rescore
  29. 2026-06-21 01:59 UTCEPSS rescore
  30. 2026-06-20 02:25 UTCEG score recompute
  31. 2026-06-20 02:25 UTCGHSA enrichment
  32. 2026-06-19 19:26 UTCEPSS rescore
  33. 2026-06-19 19:26 UTCEPSS rescore
  34. 2026-06-19 01:11 UTCEG score recompute
  35. 2026-06-19 01:11 UTCGHSA enrichment
  36. 2026-06-18 17:52 UTCEPSS rescore
  37. 2026-06-18 17:52 UTCEPSS rescore
  38. 2026-06-18 00:01 UTCEG score recompute
  39. 2026-06-18 00:01 UTCGHSA enrichment
  40. 2026-06-17 17:53 UTCEPSS rescore
  41. 2026-06-16 23:02 UTCEG score recompute
  42. 2026-06-16 23:02 UTCGHSA enrichment
  43. 2026-06-16 17:53 UTCEPSS rescore
  44. 2026-06-16 17:47 UTCNVD updateCVSS v3 → 6.1
  45. 2026-06-15 22:05 UTCEG score recompute
  46. 2026-06-15 22:05 UTCGHSA enrichment
  47. 2026-06-15 17:49 UTCEPSS rescore
  48. 2026-06-15 17:49 UTCEPSS rescore
  49. 2026-06-14 23:18 UTCEPSS rescore
  50. 2026-06-14 20:50 UTCEG score recompute
  51. 2026-06-14 20:50 UTCGHSA enrichment
  52. 2026-06-13 23:00 UTCEPSS rescore
  53. 2026-06-13 19:52 UTCEG score recompute
  54. 2026-06-13 19:52 UTCGHSA enrichment
  55. 2026-06-12 23:12 UTCEPSS rescore
  56. 2026-06-12 23:12 UTCEPSS rescore
  57. 2026-06-12 18:54 UTCEG score recompute
  58. 2026-06-12 18:53 UTCGHSA enrichment
  59. 2026-06-11 17:56 UTCEG score recompute
  60. 2026-06-11 17:56 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-4096?
CVE-2026-4096 is a medium vulnerability published on June 11, 2026. IBM DevOps Plan 3.0.0 through 3.0.6 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking
When was CVE-2026-4096 disclosed?
CVE-2026-4096 was first published in the National Vulnerability Database on June 11, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-4096 actively exploited?
CVE-2026-4096 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-4096?
CVE-2026-4096 has a CVSS v3 base score of 6.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 6.5.
How do I remediate CVE-2026-4096?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-4096, 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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