CVE-2026-75106

CRITICALPre-NVD 9.19.1
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-17. A secondary CVSS source baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, a secondary CVSS source
Trending — 3 sources updated this weekElevated

Also known asEUVD-2026-60386 (ENISA EUVD) · GHSA-3j74-gjwg-45jm (GitHub Security Advisories)Source: ENISA EUVD

9.1EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (the SSVC decision on this page).
  • CISA's Vulnrichment rates exploitation as PoC; EchelonGraph holds no exploit-code reference for it
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 9.1Exploit: No code on recordExposed services: Not assessed

A fix is available — apply it.

OpnForm derives editable-submission secrets from sequential row identifiers using Hashids with an empty default salt, allowing unauthenticated attackers to compute hashes for any submission. Attackers can read other respondents' full submission data through the submission-fetch endpoint or overwrite submissions by supplying predicted hashes to the answer endpoint.

CVSS v3
9.1
EG Score
9.1CRITICALmedium confidence
EG Risk
72
EG Risk 72/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity91% × 45%
Impact severity (EG Severity): CVSS 9.1 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation40% × 40%
EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low, Track* at medium and Attend at high mission impact.
Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.4%
EPSS %ILE
34th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (9.1): severity, escalated by confirmed exploitation. This CVE's 9.1 is its impact severity (EG Severity), not escalated.

EG Severity
9.1 CRITICALCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
0.4% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-11-02). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track* at medium mission impactTrack at low, Track* at medium and Attend at high mission impact.CISA BOD 26-04: 3 days if the affected system is publicly exposed; 60 days if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low, Track* at medium and Attend at high mission impact.

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)3 days if the affected system is publicly exposed; 60 days if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

August 17, 2026

Last Modified

October 1, 2026

Advisory Details (5)

Auto-updated Sep 15, 2026
Patch available. Sources: github_commit, github_release.
Web page

OpnForm Editable Submission Secret Derivation via Empty Hashids Salt | Advisories | VulnCheck

https://www.vulncheck.com/advisories/opnform-editable-submission-secret-derivation-via-empty-hashids-salt
GitHub release Patch Available

v2.0.2

Patch available: OpnForm/OpnForm v2.0.2

https://github.com/OpnForm/OpnForm/releases/tag/v2.0.2
GitHub commit Patch Available

commit 6c67ff0a9bc0 (OpnForm/OpnForm)

Patch available: OpnForm/OpnForm v2.0.2 (contains commit 6c67ff0a9bc0)

https://github.com/OpnForm/OpnForm/commit/6c67ff0a9bc0ac27ae26b32b8e108a176f8161b1
Web page

GitHub - OpnForm/OpnForm: Beautiful Open-Source Form Builder · GitHub

https://github.com/OpnForm/OpnForm
Web page

[BUG] unauthenticated read/write of form submissions via predictable Hashids (editable-submissions feature) · Issue #1259 · OpnForm/OpnForm · GitHub

https://github.com/OpnForm/OpnForm/issues/1259

Vendor Advisories for CVE-2026-75106(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 21× in last 7d / 96× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 100 of 419 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 319 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-11-02 21:32 UTCEG score recompute
  2. 2026-11-02 21:32 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  3. 2026-11-02 16:46 UTCEPSS rescoreEPSS 0.4% · 34th percentile
  4. 2026-11-01 19:24 UTCEG score recompute
  5. 2026-11-01 19:24 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  6. 2026-11-01 16:35 UTCEPSS rescoreEPSS 0.4% · 34th percentile
  7. 2026-10-31 17:18 UTCEG score recompute
  8. 2026-10-31 17:17 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  9. 2026-10-31 16:33 UTCEPSS rescoreEPSS 0.4% · 34th percentile
  10. 2026-10-30 16:35 UTCEPSS rescoreEPSS 0.4% · 34th percentile
  11. 2026-10-30 15:11 UTCEG score recompute
  12. 2026-10-30 15:11 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  13. 2026-10-29 16:34 UTCEPSS rescoreEPSS 0.4% · 34th percentile
  14. 2026-10-29 13:05 UTCEG score recompute
  15. 2026-10-29 13:05 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  16. 2026-10-28 16:33 UTCEPSS rescoreEPSS 0.4% · 34th percentile
  17. 2026-10-28 10:58 UTCEG score recompute
  18. 2026-10-28 10:58 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  19. 2026-10-27 16:32 UTCEPSS rescoreEPSS 0.4% · 34th percentile
  20. 2026-10-27 07:59 UTCEG score recompute
  21. 2026-10-27 07:59 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  22. 2026-10-26 16:32 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  23. 2026-10-26 03:24 UTCEG score recompute
  24. 2026-10-26 03:24 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  25. 2026-10-25 16:34 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
Show 75 more
  1. 2026-10-25 14:03 UTCEG score recompute
  2. 2026-10-25 01:14 UTCEG score recompute
  3. 2026-10-25 01:14 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  4. 2026-10-24 16:33 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  5. 2026-10-23 23:08 UTCEG score recompute
  6. 2026-10-23 23:08 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  7. 2026-10-23 16:32 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  8. 2026-10-22 21:01 UTCEG score recompute
  9. 2026-10-22 21:01 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  10. 2026-10-22 16:35 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  11. 2026-10-21 18:54 UTCEG score recompute
  12. 2026-10-21 18:54 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  13. 2026-10-21 16:33 UTCEPSS rescoreEPSS 0.4% · 33rd percentile
  14. 2026-10-20 16:41 UTCEG score recompute
  15. 2026-10-20 16:41 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  16. 2026-10-20 16:33 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  17. 2026-10-19 16:33 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  18. 2026-10-19 14:35 UTCEG score recompute
  19. 2026-10-19 14:35 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  20. 2026-10-18 16:32 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  21. 2026-10-18 12:28 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  22. 2026-10-18 03:13 UTCEG score recompute
  23. 2026-10-17 16:35 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  24. 2026-10-17 10:20 UTCEG score recompute
  25. 2026-10-17 10:19 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  26. 2026-10-16 16:44 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  27. 2026-10-16 08:11 UTCEG score recompute
  28. 2026-10-16 08:11 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  29. 2026-10-15 16:32 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  30. 2026-10-15 06:04 UTCEG score recompute
  31. 2026-10-15 06:04 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  32. 2026-10-14 16:33 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  33. 2026-10-14 01:42 UTCEG score recompute
  34. 2026-10-14 01:42 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  35. 2026-10-13 16:35 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  36. 2026-10-12 21:54 UTCEG score recompute
  37. 2026-10-12 21:54 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  38. 2026-10-12 16:35 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  39. 2026-10-12 15:39 UTCEG score recompute
  40. 2026-10-12 05:36 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  41. 2026-10-11 19:25 UTCEG score recompute
  42. 2026-10-11 16:40 UTCEG score recompute
  43. 2026-10-11 14:00 UTCEG score recompute
  44. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  45. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  46. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  47. 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  48. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.4% · 32nd percentile
  49. 2026-10-07 11:25 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  50. 2026-10-07 06:45 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  51. 2026-10-07 02:16 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  52. 2026-10-06 21:53 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  53. 2026-10-06 17:35 UTCEG score recompute
  54. 2026-10-06 17:35 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  55. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  56. 2026-10-06 13:19 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  57. 2026-10-06 09:01 UTCEG score recompute
  58. 2026-10-06 09:01 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  59. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  60. 2026-10-05 17:24 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  61. 2026-10-05 11:52 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  62. 2026-10-05 06:39 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  63. 2026-10-05 02:22 UTCEG score recompute
  64. 2026-10-05 02:22 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  65. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  66. 2026-10-04 21:49 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  67. 2026-10-04 16:24 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  68. 2026-10-04 11:46 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  69. 2026-10-04 07:29 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  70. 2026-10-04 03:13 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  71. 2026-10-03 22:40 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  72. 2026-10-03 17:46 UTCEG score recompute
  73. 2026-10-03 17:46 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1
  74. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  75. 2026-10-03 02:01 UTCGHSA enrichmentGHSA-3j74-gjwg-45jm · GitHub severity CRITICAL · GitHub CVSS 9.1

Frequently asked(5)

What is CVE-2026-75106?
CVE-2026-75106 is a critical-severity vulnerability; its CVE record was published on August 17, 2026. OpnForm derives editable-submission secrets from sequential row identifiers using Hashids with an empty default salt, allowing unauthenticated attackers to compute hashes for any submission. Attackers can read other respondents' full submission data through the submission-fetch endpoint or…
When was CVE-2026-75106 made public?
CVE-2026-75106 was made public on August 16, 2026: that is the date its CVE record's CNA, VulnCheck, gives for when the vulnerability was made public. The CVE record itself was published on August 17, 2026. EchelonGraph's copy of the record carries a last-modified date of October 1, 2026; the record at its source may have been updated since.
Is CVE-2026-75106 actively exploited?
CVE-2026-75106 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (34th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-75106?
CVE-2026-75106 has a CVSS base score of 9.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-75106?
A fix for CVE-2026-75106 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-75106 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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