CVE-2026-16971

MEDIUMPre-NVD 5.95.9—
EchelonGraph scoreMEDIUM confidence

Score 5.9 from GitHub Security Advisory published 2026-07-30. a secondary CVSS source baseline 5.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.9Exploit: None knownExposed: 0

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

The IRIS web application in version 2.4.26 and possibly others does not protect its MFA validation against brute-force attacks.

CVSS v3
5.9
EG Score
5.9(medium)
EG Risk
27(Track)
EG Risk 27/100SSVC: 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
Severity59% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
13%
KEV
Not listed

Published

July 30, 2026

Last Modified

July 30, 2026

Advisory Details (1)

Auto-updated Jul 30, 2026
🔬 Proof of concept available. Patch available.
generic Patch Available🟡 PoC Available

advisories/2026/SBA-ADV-20260128-02_DFIR-IRIS_Missing_Brute_Force_Protection at public · sbaresearch/advisories · GitHub

https://github.com/sbaresearch/advisories/tree/public/2026/SBA-ADV-20260128-02_DFIR-IRIS_Missing_Brute_Force_Protection

Vendor Advisories for CVE-2026-16971(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 17× in last 7d / 75× 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. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-29 22:37 UTCEG score recompute
  3. 2026-08-29 22:37 UTCGHSA enrichment
  4. 2026-08-28 21:41 UTCEPSS rescore
  5. 2026-08-27 21:08 UTCEG score recompute
  6. 2026-08-27 21:08 UTCGHSA enrichment
  7. 2026-08-27 14:25 UTCEPSS rescore
  8. 2026-08-26 19:19 UTCEG score recompute
  9. 2026-08-26 19:19 UTCGHSA enrichment
  10. 2026-08-26 14:46 UTCEPSS rescore
  11. 2026-08-25 14:26 UTCEG score recompute
  12. 2026-08-25 14:26 UTCGHSA enrichment
  13. 2026-08-25 13:48 UTCEPSS rescore
  14. 2026-08-24 12:36 UTCEG score recompute
  15. 2026-08-24 12:36 UTCGHSA enrichment
  16. 2026-08-23 10:47 UTCEG score recompute
  17. 2026-08-23 10:47 UTCGHSA enrichment
  18. 2026-08-23 00:19 UTCEPSS rescore
  19. 2026-08-22 08:57 UTCEG score recompute
  20. 2026-08-22 08:57 UTCGHSA enrichment
  21. 2026-08-21 23:49 UTCEPSS rescore
  22. 2026-08-21 07:06 UTCEG score recompute
  23. 2026-08-21 07:06 UTCGHSA enrichment
  24. 2026-08-20 22:55 UTCEPSS rescore
  25. 2026-08-20 05:17 UTCEG score recompute
Show 59 more
  1. 2026-08-20 05:17 UTCGHSA enrichment
  2. 2026-08-19 17:03 UTCEPSS rescore
  3. 2026-08-19 03:27 UTCEG score recompute
  4. 2026-08-19 03:27 UTCGHSA enrichment
  5. 2026-08-18 13:48 UTCEPSS rescore
  6. 2026-08-18 01:02 UTCEG score recompute
  7. 2026-08-18 01:02 UTCGHSA enrichment
  8. 2026-08-17 13:47 UTCEPSS rescore
  9. 2026-08-16 22:20 UTCEG score recompute
  10. 2026-08-16 22:20 UTCGHSA enrichment
  11. 2026-08-16 14:56 UTCEPSS rescore
  12. 2026-08-16 02:14 UTCEPSS rescore
  13. 2026-08-15 20:30 UTCEG score recompute
  14. 2026-08-15 20:30 UTCGHSA enrichment
  15. 2026-08-15 01:30 UTCEPSS rescore
  16. 2026-08-14 18:40 UTCEG score recompute
  17. 2026-08-14 18:40 UTCGHSA enrichment
  18. 2026-08-13 22:00 UTCEPSS rescore
  19. 2026-08-13 16:47 UTCGHSA enrichment
  20. 2026-08-12 14:58 UTCEG score recompute
  21. 2026-08-12 14:58 UTCGHSA enrichment
  22. 2026-08-12 13:50 UTCEPSS rescore
  23. 2026-08-11 13:42 UTCEPSS rescore
  24. 2026-08-11 13:08 UTCEG score recompute
  25. 2026-08-11 13:08 UTCGHSA enrichment
  26. 2026-08-11 00:00 UTCEPSS rescore
  27. 2026-08-10 11:18 UTCEG score recompute
  28. 2026-08-10 11:18 UTCGHSA enrichment
  29. 2026-08-09 13:46 UTCEPSS rescore
  30. 2026-08-09 09:28 UTCGHSA enrichment
  31. 2026-08-08 07:39 UTCEG score recompute
  32. 2026-08-08 07:39 UTCGHSA enrichment
  33. 2026-08-07 05:49 UTCEG score recompute
  34. 2026-08-07 05:49 UTCGHSA enrichment
  35. 2026-08-06 13:46 UTCEPSS rescore
  36. 2026-08-06 03:59 UTCEG score recompute
  37. 2026-08-06 03:59 UTCGHSA enrichment
  38. 2026-08-05 19:17 UTCEPSS rescore
  39. 2026-08-05 02:10 UTCEG score recompute
  40. 2026-08-05 02:09 UTCGHSA enrichment
  41. 2026-08-04 15:10 UTCEPSS rescore
  42. 2026-08-04 10:38 UTCEPSS rescore
  43. 2026-08-04 00:15 UTCGHSA enrichment
  44. 2026-08-02 22:25 UTCEG score recompute
  45. 2026-08-02 22:25 UTCGHSA enrichment
  46. 2026-08-02 02:26 UTCEPSS rescore
  47. 2026-08-01 20:35 UTCEG score recompute
  48. 2026-08-01 20:35 UTCGHSA enrichment
  49. 2026-08-01 04:15 UTCEPSS rescore
  50. 2026-07-31 18:45 UTCGHSA enrichment
  51. 2026-07-30 16:55 UTCEG score recompute
  52. 2026-07-30 16:54 UTCGHSA enrichment
  53. 2026-07-30 14:30 UTCEG score recompute
  54. 2026-07-30 14:30 UTCGHSA enrichment
  55. 2026-07-30 13:21 UTCEG score recompute
  56. 2026-07-30 13:21 UTCGHSA enrichment
  57. 2026-07-30 10:17 UTCEG score recompute
  58. 2026-07-30 09:56 UTCEG score recompute
  59. 2026-07-30 09:56 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16971?
CVE-2026-16971 is a medium vulnerability published on July 30, 2026. The IRIS web application in version 2.4.26 and possibly others does not protect its MFA validation against brute-force attacks.
When was CVE-2026-16971 disclosed?
CVE-2026-16971 was first published in the National Vulnerability Database on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16971 actively exploited?
CVE-2026-16971 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 87.2% of all scored CVEs.
What is the CVSS score of CVE-2026-16971?
CVE-2026-16971 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2026-16971?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16971, 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

Explore the affected products and dependency analysis for CVE-2026-16971

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