CVE-2026-81032

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-26. 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 weekElevated
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: Elevated riskExposed: 0

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

NebulaGraph exposes its runtime configuration over an unauthenticated HTTP service. Each daemon starts the web service defined in src/webservice/WebService.cpp, whose bind address defaults to all interfaces, and registers routes for reading and writing gflags alongside status and statistics. Neither the service nor its router carries any authentication, token check or address restriction. The read route returns the daemon's full set of runtime flag values, which includes the configured certificate, key and certificate-authority paths, the password file path, data directories and the transport-security enable flags. The write route parses a supplied map and applies each entry through the gflags runtime setter, so a caller able to reach the port can change the daemon's behaviour without restarting it, including disabling the transport-security flags, redirecting log files and altering flags such as failed_login_attempts and password_lock_time_in_secs. Public reports of this endpoint describe a single name, enable_authorize, being refused by the handler; at release 3.8.0 that refusal is not present and the handler applies every name it is given.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
75(Attend)
EG Risk 75/100SSVC: Attend

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%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
22%
KEV
Not listed

Published

August 26, 2026

Last Modified

August 26, 2026

Advisory Details (5)

Auto-updated Sep 16, 2026
No patch confirmed yet.
generic

Web service GET /flags and PUT /flags accept unauthenticated requests, leaking and rewriting runtime configuration · Issue #6157 · vesoft-inc/nebula · GitHub

https://github.com/vesoft-inc/nebula/issues/6157
generic

NebulaGraph through 3.8.0 Unauthenticated Read and Modification of Runtime Configuration | Advisories | VulnCheck

https://www.vulncheck.com/advisories/nebulagraph-through-3.8.0-unauthenticated-read-and-modification-of-runtime-configuration
generic

nebula/src/webservice/WebService.cpp at v3.8.0 · vesoft-inc/nebula · GitHub

https://github.com/vesoft-inc/nebula/blob/v3.8.0/src/webservice/WebService.cpp
generic

nebula/src/webservice/SetFlagsHandler.cpp at v3.8.0 · vesoft-inc/nebula · GitHub

https://github.com/vesoft-inc/nebula/blob/v3.8.0/src/webservice/SetFlagsHandler.cpp
generic

GitHub - vesoft-inc/nebula: A distributed, fast open-source graph database featuring horizontal scalability and high availability · GitHub

https://github.com/vesoft-inc/nebula

Vendor Advisories for CVE-2026-81032(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 52× in last 7d / 194× 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 194 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-81032?
CVE-2026-81032 is a critical vulnerability published on August 26, 2026. NebulaGraph exposes its runtime configuration over an unauthenticated HTTP service. Each daemon starts the web service defined in src/webservice/WebService.cpp, whose bind address defaults to all interfaces, and registers routes for reading and writing gflags alongside status and statistics.…
When was CVE-2026-81032 disclosed?
CVE-2026-81032 was first published in the National Vulnerability Database on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-81032 actively exploited?
CVE-2026-81032 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 78.2% of all scored CVEs.
What is the CVSS score of CVE-2026-81032?
CVE-2026-81032 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-81032?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-81032, 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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