CVE-2026-82957

HIGHPre-NVD 7.37.3
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory published 2026-09-01. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: None knownExposed: 0

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

A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook Subscription. Performing a manipulation of the argument url results in server-side request forgery. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
7.3
EG Score
7.3(high)
EG Risk
48(Track)
EG Risk 48/100SSVC: 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
Severity73% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

August 31, 2026

Last Modified

September 1, 2026

Vendor Advisories for CVE-2026-82957(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 28× in last 7d / 85× 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. 2026-09-21 01:33 UTCEG score recompute
  2. 2026-09-21 01:33 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 14:20 UTCGHSA enrichment
  5. 2026-09-20 03:23 UTCGHSA enrichment
  6. 2026-09-19 16:28 UTCEG score recompute
  7. 2026-09-19 16:28 UTCGHSA enrichment
  8. 2026-09-19 05:33 UTCEG score recompute
  9. 2026-09-19 05:33 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 18:37 UTCGHSA enrichment
  12. 2026-09-18 07:42 UTCGHSA enrichment
  13. 2026-09-17 20:47 UTCEG score recompute
  14. 2026-09-17 20:47 UTCGHSA enrichment
  15. 2026-09-17 08:25 UTCGHSA enrichment
  16. 2026-09-16 21:29 UTCEG score recompute
  17. 2026-09-16 21:29 UTCGHSA enrichment
  18. 2026-09-16 14:08 UTCEPSS rescore
  19. 2026-09-16 09:40 UTCEG score recompute
  20. 2026-09-16 09:40 UTCGHSA enrichment
  21. 2026-09-16 05:15 UTCEPSS rescore
  22. 2026-09-15 22:44 UTCGHSA enrichment
  23. 2026-09-15 11:46 UTCEG score recompute
  24. 2026-09-15 11:46 UTCGHSA enrichment
  25. 2026-09-15 03:12 UTCEPSS rescore
Show 60 more
  1. 2026-09-15 03:12 UTCEPSS rescore
  2. 2026-09-15 00:51 UTCGHSA enrichment
  3. 2026-09-14 13:56 UTCGHSA enrichment
  4. 2026-09-14 03:00 UTCEG score recompute
  5. 2026-09-14 03:00 UTCGHSA enrichment
  6. 2026-09-13 16:05 UTCGHSA enrichment
  7. 2026-09-13 05:09 UTCGHSA enrichment
  8. 2026-09-12 18:14 UTCEG score recompute
  9. 2026-09-12 18:14 UTCGHSA enrichment
  10. 2026-09-12 07:19 UTCGHSA enrichment
  11. 2026-09-11 20:24 UTCEG score recompute
  12. 2026-09-11 20:24 UTCGHSA enrichment
  13. 2026-09-11 14:53 UTCEPSS rescore
  14. 2026-09-11 14:53 UTCEPSS rescore
  15. 2026-09-11 09:29 UTCGHSA enrichment
  16. 2026-09-10 22:34 UTCGHSA enrichment
  17. 2026-09-10 11:39 UTCEG score recompute
  18. 2026-09-10 11:39 UTCGHSA enrichment
  19. 2026-09-09 23:41 UTCGHSA enrichment
  20. 2026-09-09 10:32 UTCGHSA enrichment
  21. 2026-09-08 23:28 UTCEG score recompute
  22. 2026-09-08 23:28 UTCGHSA enrichment
  23. 2026-09-08 22:01 UTCEPSS rescore
  24. 2026-09-08 07:14 UTCGHSA enrichment
  25. 2026-09-07 20:19 UTCEG score recompute
  26. 2026-09-07 20:19 UTCGHSA enrichment
  27. 2026-09-07 09:24 UTCGHSA enrichment
  28. 2026-09-06 22:26 UTCEG score recompute
  29. 2026-09-06 22:26 UTCGHSA enrichment
  30. 2026-09-06 13:48 UTCEPSS rescore
  31. 2026-09-06 11:30 UTCGHSA enrichment
  32. 2026-09-06 00:35 UTCEG score recompute
  33. 2026-09-06 00:35 UTCGHSA enrichment
  34. 2026-09-05 15:31 UTCEPSS rescore
  35. 2026-09-05 13:39 UTCGHSA enrichment
  36. 2026-09-05 02:44 UTCGHSA enrichment
  37. 2026-09-04 15:49 UTCEG score recompute
  38. 2026-09-04 15:49 UTCGHSA enrichment
  39. 2026-09-04 05:07 UTCEPSS rescore
  40. 2026-09-04 04:52 UTCGHSA enrichment
  41. 2026-09-03 17:53 UTCGHSA enrichment
  42. 2026-09-03 06:57 UTCGHSA enrichment
  43. 2026-09-02 20:01 UTCEG score recompute
  44. 2026-09-02 20:01 UTCGHSA enrichment
  45. 2026-09-02 14:12 UTCEPSS rescore
  46. 2026-09-02 07:56 UTCGHSA enrichment
  47. 2026-09-01 21:00 UTCGHSA enrichment
  48. 2026-09-01 15:40 UTCEG score recompute
  49. 2026-09-01 15:40 UTCGHSA enrichment
  50. 2026-09-01 15:35 UTCNVD updateCVSS v4 → 5.5
  51. 2026-09-01 14:34 UTCEG score recompute
  52. 2026-09-01 14:34 UTCGHSA enrichment
  53. 2026-09-01 14:33 UTCMITRE cvelistV5CVSS v4 → 6.9
  54. 2026-09-01 13:54 UTCEPSS rescore
  55. 2026-09-01 09:16 UTCEG score recompute
  56. 2026-09-01 09:16 UTCGHSA enrichment
  57. 2026-08-31 22:21 UTCEG score recompute
  58. 2026-08-31 22:21 UTCNVD updateCVSS v4 → 5.5
  59. 2026-08-31 22:15 UTCEG score recompute
  60. 2026-08-31 22:14 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-82957?
CVE-2026-82957 is a high vulnerability published on August 31, 2026. A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook Subscription. Performing a manipulation of the argument url results in server-side request forgery.…
When was CVE-2026-82957 disclosed?
CVE-2026-82957 was first published in the National Vulnerability Database on August 31, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82957 actively exploited?
CVE-2026-82957 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 68.6% of all scored CVEs.
What is the CVSS score of CVE-2026-82957?
CVE-2026-82957 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-82957?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82957, 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-2026-82957

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