CVE-2026-15435

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-30. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

IBM App Connect Enterprise 13.0.1.0 through 13.0.7.2, and 12.0.1.0 through 12.0.12.27 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to write arbitrary files on the system.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
52%
KEV
Not listed

Published

July 30, 2026

Last Modified

August 5, 2026

Advisory Details (1)

Auto-updated Aug 19, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM App Connect Enterprise is vulnerable to arbitrary file write vulnerability (CVE-2026-15435)

https://www.ibm.com/support/pages/node/7281896

Vendor Advisories for CVE-2026-15435(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 57× in last 7d / 182× 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.

Showing the most recent 100 of 182 total refreshes for this CVE.

  1. 2026-08-21 03:09 UTCGHSA enrichment
  2. 2026-08-20 23:13 UTCEG score recompute
  3. 2026-08-20 23:12 UTCGHSA enrichment
  4. 2026-08-20 22:55 UTCEPSS rescore
  5. 2026-08-20 19:16 UTCGHSA enrichment
  6. 2026-08-20 15:19 UTCGHSA enrichment
  7. 2026-08-20 11:23 UTCGHSA enrichment
  8. 2026-08-20 07:26 UTCGHSA enrichment
  9. 2026-08-20 03:29 UTCGHSA enrichment
  10. 2026-08-19 23:32 UTCGHSA enrichment
  11. 2026-08-19 19:35 UTCEG score recompute
  12. 2026-08-19 19:35 UTCGHSA enrichment
  13. 2026-08-19 17:03 UTCEPSS rescore
  14. 2026-08-19 15:38 UTCGHSA enrichment
  15. 2026-08-19 11:42 UTCGHSA enrichment
  16. 2026-08-19 07:44 UTCGHSA enrichment
  17. 2026-08-19 03:48 UTCGHSA enrichment
  18. 2026-08-18 23:51 UTCGHSA enrichment
  19. 2026-08-18 19:54 UTCGHSA enrichment
  20. 2026-08-18 15:58 UTCEG score recompute
  21. 2026-08-18 15:58 UTCGHSA enrichment
  22. 2026-08-18 13:48 UTCEPSS rescore
  23. 2026-08-18 11:43 UTCGHSA enrichment
  24. 2026-08-18 07:46 UTCGHSA enrichment
  25. 2026-08-18 03:37 UTCGHSA enrichment
Show 75 more
  1. 2026-08-17 23:40 UTCGHSA enrichment
  2. 2026-08-17 19:43 UTCGHSA enrichment
  3. 2026-08-17 15:15 UTCEG score recompute
  4. 2026-08-17 15:15 UTCGHSA enrichment
  5. 2026-08-17 13:47 UTCEPSS rescore
  6. 2026-08-17 11:18 UTCGHSA enrichment
  7. 2026-08-17 07:22 UTCGHSA enrichment
  8. 2026-08-17 03:26 UTCGHSA enrichment
  9. 2026-08-16 23:29 UTCGHSA enrichment
  10. 2026-08-16 19:33 UTCGHSA enrichment
  11. 2026-08-16 15:36 UTCEG score recompute
  12. 2026-08-16 15:36 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 11:39 UTCGHSA enrichment
  15. 2026-08-16 07:43 UTCGHSA enrichment
  16. 2026-08-16 03:47 UTCEG score recompute
  17. 2026-08-16 03:47 UTCGHSA enrichment
  18. 2026-08-16 02:14 UTCEPSS rescore
  19. 2026-08-15 23:51 UTCGHSA enrichment
  20. 2026-08-15 19:54 UTCGHSA enrichment
  21. 2026-08-15 15:58 UTCGHSA enrichment
  22. 2026-08-15 12:01 UTCGHSA enrichment
  23. 2026-08-15 08:05 UTCGHSA enrichment
  24. 2026-08-15 04:09 UTCEG score recompute
  25. 2026-08-15 04:09 UTCGHSA enrichment
  26. 2026-08-15 01:30 UTCEPSS rescore
  27. 2026-08-15 00:12 UTCGHSA enrichment
  28. 2026-08-14 20:16 UTCGHSA enrichment
  29. 2026-08-14 16:20 UTCGHSA enrichment
  30. 2026-08-14 12:23 UTCGHSA enrichment
  31. 2026-08-14 08:27 UTCGHSA enrichment
  32. 2026-08-14 04:31 UTCGHSA enrichment
  33. 2026-08-14 00:35 UTCEG score recompute
  34. 2026-08-14 00:35 UTCGHSA enrichment
  35. 2026-08-13 22:00 UTCEPSS rescore
  36. 2026-08-13 20:38 UTCGHSA enrichment
  37. 2026-08-13 16:41 UTCGHSA enrichment
  38. 2026-08-13 12:30 UTCGHSA enrichment
  39. 2026-08-13 08:32 UTCGHSA enrichment
  40. 2026-08-13 04:36 UTCGHSA enrichment
  41. 2026-08-13 00:40 UTCGHSA enrichment
  42. 2026-08-12 20:44 UTCGHSA enrichment
  43. 2026-08-12 16:48 UTCEG score recompute
  44. 2026-08-12 16:47 UTCGHSA enrichment
  45. 2026-08-12 13:50 UTCEPSS rescore
  46. 2026-08-12 12:51 UTCGHSA enrichment
  47. 2026-08-12 08:54 UTCGHSA enrichment
  48. 2026-08-12 04:58 UTCGHSA enrichment
  49. 2026-08-12 01:02 UTCGHSA enrichment
  50. 2026-08-11 21:05 UTCGHSA enrichment
  51. 2026-08-11 17:09 UTCEG score recompute
  52. 2026-08-11 17:09 UTCGHSA enrichment
  53. 2026-08-11 13:42 UTCEPSS rescore
  54. 2026-08-11 13:12 UTCGHSA enrichment
  55. 2026-08-11 09:15 UTCGHSA enrichment
  56. 2026-08-11 05:19 UTCGHSA enrichment
  57. 2026-08-11 01:23 UTCEG score recompute
  58. 2026-08-11 01:23 UTCGHSA enrichment
  59. 2026-08-11 00:00 UTCEPSS rescore
  60. 2026-08-10 21:27 UTCGHSA enrichment
  61. 2026-08-10 17:30 UTCGHSA enrichment
  62. 2026-08-10 13:34 UTCGHSA enrichment
  63. 2026-08-10 09:38 UTCGHSA enrichment
  64. 2026-08-10 05:42 UTCGHSA enrichment
  65. 2026-08-10 01:45 UTCGHSA enrichment
  66. 2026-08-09 21:49 UTCGHSA enrichment
  67. 2026-08-09 17:53 UTCGHSA enrichment
  68. 2026-08-09 13:57 UTCEG score recompute
  69. 2026-08-09 13:57 UTCGHSA enrichment
  70. 2026-08-09 13:46 UTCEPSS rescore
  71. 2026-08-09 10:01 UTCGHSA enrichment
  72. 2026-08-09 06:05 UTCGHSA enrichment
  73. 2026-08-09 02:09 UTCGHSA enrichment
  74. 2026-08-08 22:13 UTCGHSA enrichment
  75. 2026-08-08 18:16 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15435?
CVE-2026-15435 is a critical vulnerability published on July 30, 2026. IBM App Connect Enterprise 13.0.1.0 through 13.0.7.2, and 12.0.1.0 through 12.0.12.27 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to write arbitrary files on the system.
When was CVE-2026-15435 disclosed?
CVE-2026-15435 was first published in the National Vulnerability Database on July 30, 2026, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15435 actively exploited?
CVE-2026-15435 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 48.4% of all scored CVEs.
What is the CVSS score of CVE-2026-15435?
CVE-2026-15435 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-15435?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15435, 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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