CVE-2026-15970

MEDIUMPre-NVD 4.24.2—
EchelonGraph scoreMEDIUM confidence

Score 4.2 from GitHub Security Advisory published 2026-08-07. a secondary CVSS source baseline 4.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
4.2EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.2Exploit: None knownExposed: 0

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

Consul Community Edition and Consul Enterprise 1.20.1 through 2.0.2 are vulnerable to an L7 intention authorization bypass when a service proxy is configured with a custom public listener. An authenticated mesh workload may reach HTTP paths that are blocked by a path-based deny intention. This vulnerability, CVE-2026-15970, is fixed in Consul 2.0.3 and Consul Enterprise 1.21.17, 1.22.11, and 2.0.3.

CVSS v3
4.2
EG Score
4.2(medium)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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
Severity42% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

August 7, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Aug 7, 2026
No patch confirmed yet.
generic

HCSEC-2026-25 - Multiple vulnerabilities impacting HashiCorp Consul - Security - HashiCorp Discuss

https://discuss.hashicorp.com/t/hcsec-2026-25-multiple-vulnerabilities-impacting-hashicorp-consul/77629

Vendor Advisories for CVE-2026-15970(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
consul1.10.12+dfsg1-1 ... 1.9.17+dfsg2-1 (7 versions)——

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 18× in last 7d / 80× 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 122 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-15970?
CVE-2026-15970 is a medium vulnerability published on August 7, 2026. Consul Community Edition and Consul Enterprise 1.20.1 through 2.0.2 are vulnerable to an L7 intention authorization bypass when a service proxy is configured with a custom public listener. An authenticated mesh workload may reach HTTP paths that are blocked by a path-based deny intention. This…
When was CVE-2026-15970 disclosed?
CVE-2026-15970 was first published in the National Vulnerability Database on August 7, 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-2026-15970 actively exploited?
CVE-2026-15970 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 94.5% of all scored CVEs.
What is the CVSS score of CVE-2026-15970?
CVE-2026-15970 has a CVSS v3 base score of 4.2 (NVD).
How do I remediate CVE-2026-15970?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15970, 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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