CVE-2026-71231

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-05. 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: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

IOTSmartHome's gui/login.php checkCookie function builds an authentication query as SELECT * FROM users WHERE ID='' after base64-decoding the client-supplied lastLogin cookie via safe_decode, which performs URL-safe base64 decoding with no sanitization of the decoded value before it is concatenated into the SQL string.

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%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
29%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 10, 2026

Advisory Details (1)

Auto-updated Aug 17, 2026
No patch confirmed yet.
generic

GitHub - thebradleysanders/IOTSmartHome: Software for your home. · GitHub

https://github.com/thebradleysanders/IOTSmartHome

Vendor Advisories for CVE-2026-71231(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 55× in last 7d / 129× 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 129 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-71231?
CVE-2026-71231 is a critical vulnerability published on August 5, 2026. IOTSmartHome's gui/login.php checkCookie function builds an authentication query as SELECT * FROM users WHERE ID='<decoded lastLogin cookie>' after base64-decoding the client-supplied lastLogin cookie via safe_decode, which performs URL-safe base64 decoding with no sanitization of the decoded value…
When was CVE-2026-71231 disclosed?
CVE-2026-71231 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-71231 actively exploited?
CVE-2026-71231 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 70.9% of all scored CVEs.
What is the CVSS score of CVE-2026-71231?
CVE-2026-71231 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-71231?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-71231, 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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