CVE-2026-34615

CRITICALNVD 9.39.3—
EchelonGraph scoreMEDIUM confidence

Score 9.3 from GitHub Security Advisory (severity: CRITICAL) published 2026-04-14. NVD baseline CVSS 9.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.3Exploit: None knownExposed: 0

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

Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

CVSS v3
9.3
EG Score
9.3(medium)
EG Risk
42(Track)
EG Risk 42/100SSVC: 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
Severity93% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
48%
KEV
Not listed

Published

April 14, 2026

Last Modified

August 28, 2026

References (1)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 31× 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 236 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-34615?
CVE-2026-34615 is a critical vulnerability published on April 14, 2026. Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerability that could result in arbitrary code execution in the context of the current user. An attacker could exploit this vulnerability to inject malicious scripts into a web page, potentially…
When was CVE-2026-34615 disclosed?
CVE-2026-34615 was first published in the National Vulnerability Database on April 14, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34615 actively exploited?
CVE-2026-34615 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 51.8% of all scored CVEs.
What is the CVSS score of CVE-2026-34615?
CVE-2026-34615 has a CVSS v3 base score of 9.3 (NVD).
How do I remediate CVE-2026-34615?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34615, 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.

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