CVE-2026-92161

CRITICALPre-NVD 9.89.8
EchelonGraph scoreMEDIUM confidence

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

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-25. A secondary CVSS source baseline 9.8; 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 week

Also known asEUVD-2026-87140 (ENISA EUVD) · GHSA-g7vj-c29h-3h5m (GitHub Security Advisories)Source: ENISA EUVD

9.8EG
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).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 9.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

FriendsOfFlarum OAuth allows users to log in to Flarum with GitHub, Twitter, Facebook, and other providers. Prior to 1.7.4 and 2.0.0-beta.4, the Discord OAuth provider does not check the verified field returned for an OAuth email before passing the address to Flarum core as trusted through provideTrustedEmail(). When Discord sign-in is enabled, an unauthenticated attacker who knows the email address of a Flarum user can configure a Discord account with that unverified address and a verified phone number, then sign in to cause Flarum to match the trusted address, link the attacker-controlled Discord identity to the existing user, and authenticate as the victim without a password or victim interaction. Exploitation requires that the victim's email address is not already associated with a Discord account, and it can compromise administrator accounts. Other bundled providers were not confirmed to be practically exploitable by this method because their relevant authentication flows return only verified or confirmed email addresses. This issue is fixed in versions 1.7.4 and 2.0.0-beta.4.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
59
EG Risk 59/100

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)
Severity98% × 45%
Impact severity (EG Severity): CVSS 9.8 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.3% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Attend at high (mission-essential systems).
Exploitation none (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
0.3%
EPSS %ILE
19th
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 (9.8): severity, escalated by confirmed exploitation. This CVE's 9.8 is its impact severity (EG Severity), not escalated.

EG Severity
9.8 CRITICALCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
0.3% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-11-01). 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 or medium mission impact; Attend at high (mission-essential systems).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 or medium mission impact; Attend at high (mission-essential systems).

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

Exploitation none (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

September 25, 2026

Last Modified

September 30, 2026

Advisory Details (5)

Auto-updated Oct 31, 2026
Patch available. Sources: github_commit, github_release, github.
GitHub advisoryMentions a patch (unverified)

Unauthenticated account takeover via unverified Discord OAuth email · Advisory · FriendsOfFlarum/oauth · GitHub

https://github.com/FriendsOfFlarum/oauth/security/advisories/GHSA-g7vj-c29h-3h5m
GitHub release Patch Available

2.0.0-beta.4

Patch available: FriendsOfFlarum/oauth 2.0.0-beta.4 (pre-release)

https://github.com/FriendsOfFlarum/oauth/releases/tag/2.0.0-beta.4
GitHub release Patch Available

1.7.4

Patch available: FriendsOfFlarum/oauth 1.7.4

https://github.com/FriendsOfFlarum/oauth/releases/tag/1.7.4
GitHub commit Patch Available

commit bb4bf376832e (FriendsOfFlarum/oauth)

Patch available: FriendsOfFlarum/oauth 2.0.0-beta.4 (contains commit bb4bf376832e)

https://github.com/FriendsOfFlarum/oauth/commit/bb4bf376832e6bb68c579715d2a4b5a92c4a2567
GitHub commit Patch Available

commit baca3466b3b7 (FriendsOfFlarum/oauth)

Patch available: FriendsOfFlarum/oauth 1.7.4 (contains commit baca3466b3b7)

https://github.com/FriendsOfFlarum/oauth/commit/baca3466b3b7be51c70a7e0ba966901aefeb344a

Vendor Advisories for CVE-2026-92161(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
composerfof/oauth @ 1.7.4 (fixes < 1.7.4)—ghsa
composerfof/oauth @ 2.0.0-beta.4 (fixes >= 2.0.0-beta.1, < 2.0.0-beta.4)—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFix by version rangeDependents
fof/oauth2.0.0-beta.1, 2.0.0-beta.2, 2.0.0-beta.3
  • every version up to 1.7.4: fixed in 1.7.4
  • 2.0.0-beta.1 up to 2.0.0-beta.4: fixed in 2.0.0-beta.4
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 17× in last 7d / 67× 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.

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. 1 repeat row among the latest 86 is merged into the row it repeats.

  1. 2026-11-01 16:44 UTCEG score recompute
  2. 2026-11-01 16:44 UTCGHSA enrichmentGHSA-g7vj-c29h-3h5m · GitHub severity CRITICAL · GitHub CVSS 9.8
  3. 2026-11-01 16:36 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  4. 2026-11-01 07:37 UTCGHSA enrichmentGHSA-g7vj-c29h-3h5m · GitHub severity CRITICAL · GitHub CVSS 9.8
  5. 2026-11-01 07:37 UTCEG score recompute
  6. 2026-10-31 17:53 UTCEG score recompute
  7. 2026-10-31 16:33 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  8. 2026-10-30 19:01 UTCEG score recompute
  9. 2026-10-30 16:35 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  10. 2026-10-29 20:09 UTCEG score recompute
  11. 2026-10-29 16:34 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  12. 2026-10-28 21:17 UTCEG score recompute
  13. 2026-10-28 16:33 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  14. 2026-10-27 22:24 UTCEG score recompute
  15. 2026-10-27 16:33 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  16. 2026-10-26 23:29 UTCEG score recompute
  17. 2026-10-26 16:33 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  18. 2026-10-25 21:06 UTCEG score recompute
  19. 2026-10-25 16:34 UTCEPSS rescoreEPSS 0.3% · 19th percentile
  20. 2026-10-25 13:50 UTCEG score recompute
  21. 2026-10-24 22:14 UTCEG score recompute
  22. 2026-10-24 16:34 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  23. 2026-10-23 23:21 UTCEG score recompute
  24. 2026-10-23 16:32 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  25. 2026-10-23 00:26 UTCEG score recompute
Show 60 more
  1. 2026-10-22 16:35 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  2. 2026-10-22 01:34 UTCEG score recompute
  3. 2026-10-21 16:34 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  4. 2026-10-21 02:42 UTCEG score recompute
  5. 2026-10-20 16:34 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  6. 2026-10-20 03:50 UTCEG score recompute
  7. 2026-10-19 16:33 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  8. 2026-10-19 04:42 UTCEG score recompute
  9. 2026-10-18 16:33 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  10. 2026-10-18 03:00 UTCEG score recompute
  11. 2026-10-17 16:35 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  12. 2026-10-17 05:56 UTCEG score recompute
  13. 2026-10-16 16:45 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  14. 2026-10-16 07:00 UTCEG score recompute
  15. 2026-10-15 16:33 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  16. 2026-10-15 05:43 UTCEG score recompute
  17. 2026-10-14 16:34 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  18. 2026-10-14 01:21 UTCEG score recompute
  19. 2026-10-13 16:35 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  20. 2026-10-12 21:34 UTCEG score recompute
  21. 2026-10-12 16:35 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  22. 2026-10-12 14:45 UTCEG score recompute
  23. 2026-10-11 19:13 UTCEG score recompute
  24. 2026-10-11 16:29 UTCEG score recompute
  25. 2026-10-11 13:59 UTCEG score recompute
  26. 2026-10-11 13:50 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  27. 2026-10-11 13:44 UTCEG score recompute
  28. 2026-10-10 21:51 UTCEG score recompute
  29. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.3% · 18th percentile
  30. 2026-10-09 21:40 UTCEG score recompute
  31. 2026-10-09 20:08 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  32. 2026-10-08 21:02 UTCEG score recompute
  33. 2026-10-08 17:14 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  34. 2026-10-08 01:51 UTCEG score recompute
  35. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  36. 2026-10-06 16:06 UTCEG score recompute
  37. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  38. 2026-10-05 20:09 UTCEG score recompute
  39. 2026-10-05 17:44 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  40. 2026-10-05 00:15 UTCEG score recompute
  41. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  42. 2026-10-03 16:15 UTCEG score recompute
  43. 2026-10-02 20:19 UTCEG score recompute
  44. 2026-10-01 20:09 UTCEG score recompute
  45. 2026-10-01 19:51 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  46. 2026-09-30 16:35 UTCEG score recompute
  47. 2026-09-30 15:04 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  48. 2026-09-29 20:32 UTCEG score recompute
  49. 2026-09-29 19:38 UTCEG score recompute
  50. 2026-09-29 16:46 UTCEG score recompute
  51. 2026-09-29 00:40 UTCEG score recompute
  52. 2026-09-28 16:43 UTCEG score recompute
  53. 2026-09-28 13:52 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  54. 2026-09-27 16:46 UTCEG score recompute
  55. 2026-09-27 13:49 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  56. 2026-09-26 16:47 UTCEG score recompute
  57. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.3% · 17th percentile
  58. 2026-09-25 16:26 UTCEG score recompute
  59. 2026-09-25 15:54 UTCEG score recomputeFirst assessed: 9.8 CRITICAL
  60. 2026-09-25 15:54 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-92161?
CVE-2026-92161 is a critical-severity vulnerability; its CVE record was published on September 25, 2026. FriendsOfFlarum OAuth allows users to log in to Flarum with GitHub, Twitter, Facebook, and other providers. Prior to 1.7.4 and 2.0.0-beta.4, the Discord OAuth provider does not check the verified field returned for an OAuth email before passing the address to Flarum core as trusted through…
When was the CVE record for CVE-2026-92161 published?
The CVE record for CVE-2026-92161 was published on September 25, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of September 30, 2026; the record at its source may have been updated since.
Is CVE-2026-92161 actively exploited?
CVE-2026-92161 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (19th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-92161?
CVE-2026-92161 has a CVSS base score of 9.8 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-92161?
A fix for CVE-2026-92161 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-92161 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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