CVE-2026-5846

MEDIUMPre-NVD 5.75.7—
EchelonGraph scoreMEDIUM confidence

Score 5.7 from GitHub Security Advisory (severity: HIGH) published 2026-07-31. A secondary CVSS source baseline 5.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 5.7Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

The affected Watchfire Controller Software contains self-signed hard-coded RSA private keys and corresponding X.509 certificates used for authenticating and encrypting HTTPS/TLS connections to the controller's built-in web management interface. These keys are embedded in plaintext within the application patch binaries in the firmware directly from Watchfire's Remote Support filestore.

CVSS v3
5.7
EG Score
5.7MEDIUMmedium confidence
EG Risk
26
EG Risk 26/100CISA SSVC

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
Severity57% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.2%
EPSS %ILE
10th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

July 30, 2026

Last Modified

September 8, 2026

Advisory Details (2)

Auto-updated Jul 30, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
generic

CSAF/csaf_files/OT/white/2026/icsa-26-211-09.json at develop · cisagov/CSAF · GitHub

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-211-09.json
cisa Patch Available🔴 Active Exploitation

Watchfire Controller Software | CISA

Watchfire Controller Software | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-09

Vendor Advisories for CVE-2026-5846(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 13× in last 7d / 63× 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 162 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-5846?
CVE-2026-5846 is a medium vulnerability published on July 30, 2026. The affected Watchfire Controller Software contains self-signed hard-coded RSA private keys and corresponding X.509 certificates used for authenticating and encrypting HTTPS/TLS connections to the controller's built-in web management interface. These keys are embedded in plaintext within the…
When was CVE-2026-5846 disclosed?
CVE-2026-5846 was first published on July 30, 2026, with the most recent update on September 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-5846 actively exploited?
CVE-2026-5846 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (10th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-5846?
CVE-2026-5846 has a CVSS base score of 5.7 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-5846?
A fix for CVE-2026-5846 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-5846 are linked in the Vendor Advisories panel on this page.

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