CVE-2026-81632 Single-use sign-in token placed in a redirect query string in AshAuthenticationPhoenix

Use of HTTP Request With Sensitive Query String vulnerability in team-alembic AshAuthenticationPhoenix allows someone able to read access logs, proxy logs or browser history to recover a single-use sign-in token and authenticate as its owner. After a successful password sign-in,...

CVE-2026-81632

AshAuthenticationPhoenix (team-alembic), an Elixir authentication library for Phoenix, places a single-use sign-in token as a query parameter in a GET redirect after successful password authentication. The token travels in the request line, where it is retained by access logs, reverse proxies, an...

CVE-2026-86533: Insufficient Session Expiration

Insufficient Session Expiration vulnerability in team-alembic AshAuthentication and AshAuthentication Phoenix allows a revoked session to remain fully authenticated. A resource configured with sessionidentifier :jti and requiretokenpresenceforauthentication? disabled stores its session value as :...

CVE-2026-82754

Improper Protection of Alternate Path vulnerability in ash-project ashauthenticationoauth2server exposes the state-changing OAuth endpoints under an unintended URL prefix, bypassing controls scoped to the canonical prefix. oauth2serverprotocolroutes/1 in...

CVE-2026-82754 ash_authentication_oauth2_server aliases every protocol endpoint under /.well-known, bypassing path-scoped controls

Improper Protection of Alternate Path vulnerability in ash-project ashauthenticationoauth2server exposes the state-changing OAuth endpoints under an unintended URL prefix, bypassing controls scoped to the canonical prefix. oauth2serverprotocolroutes/1 in...

CVE-2026-82754 ash_authentication_oauth2_server aliases every protocol endpoint under /.well-known, bypassing path-scoped controls

Improper Protection of Alternate Path vulnerability in ash-project ashauthenticationoauth2server exposes the state-changing OAuth endpoints under an unintended URL prefix, bypassing controls scoped to the canonical prefix. oauth2serverprotocolroutes/1 in...

PT-2026-86924

Improper Protection of Alternate Path vulnerability in ash-project ash authentication oauth2 server exposes the state-changing OAuth endpoints under an unintended URL prefix, bypassing controls scoped to the canonical prefix. oauth2 server protocol routes/1 in...

CVE-2026-56812

creationtimestamp| type| source ---|---|--- 2026-09-03 22:35:14+00:00| published-proof-of-concept| https://github.com/phoenixframework/phoenix/security/advisories/GHSA-63mc-hw7g-86rr...

GHSA-6983-JFQ8-485W Phoenix: Unbounded channel joins per transport enables DoS over few connections

Summary Phoenix transports do not limit the number of channels in a given connection, making it easy to spawn hundreds of thousands of processes over a single connection, and, eventually reaching the max processes VM limit. The solution is to limit the number of channels per transport, so an...

EUVD-2026-42049

Phoenix: Unbounded channel joins per transport enables DoS over few connections...

Phoenix: Unbounded channel joins per transport enables DoS over few connections

Summary Phoenix transports do not limit the number of channels in a given connection, making it easy to spawn hundreds of thousands of processes over a single connection, and, eventually reaching the max processes VM limit. The solution is to limit the number of channels per transport, so an...

@edgebrix-sdk/react (>=0.0.58, <=0.0.74), @kimia_software/tellair-wc (0.0.0) +16 more potentially affected by CVE-2026-56812 via phoenix (>=1.6.2, <=1.6.16)

phoenix NPM version =1.6.2, =0.0.58, =0.8.10, =0.1.8, =0.1.5, =0.1.0-rc0, =0.8.1, =0.0.1, =0.0.1, =0.0.0-PR-1--182e1d3, =19.0.0-beta.1, =1.0.23, =0.3.0, =0.1.1, =0.1.6 and more Source cves: CVE-2026-56812 Source advisory: OSV:GHSA-63MC-HW7G-86RR...

@knocklabs/client (>=0.21.6, <=0.22.1), @knocklabs/expo (>=0.5.0, <=0.6.9) +8 more potentially affected by CVE-2026-56812 via phoenix (>=1.8.0, <=1.8.7)

phoenix NPM version =1.8.0, =0.21.6, =0.5.0, =0.11.0, =0.13.0, =0.8.0, =0.0.2, =0.0.1, =0.0.2, =0.0.1, =2.1.8, =2.5.4 Source cves: CVE-2026-56812 Source advisory: OSV:GHSA-63MC-HW7G-86RR...

EUVD-2026-42050

Phoenix: Presence keys colliding with Object.prototype members break existence checks...

@absinthe/graphql-playground (>=1.3.1, <=1.3.5), @absinthe/socket (>=0.1.0, <=0.2.0) +52 more potentially affected by CVE-2026-56812 via phoenix (>=1.3.0, <=1.5.12)

phoenix NPM version =1.3.0, =1.3.1, =0.1.0, =0.1.2, =0.1.0, =0.1.2, =1.7.5, =1.5.1, =1.7.5, =1.8.1, =1.0.0, =1.5.6, =1.8.1, =1.8.1, =1.7.26, =1.7.26, =1.16.6-beta-eaa4d39d and more Source cves: CVE-2026-56812 Source advisory: OSV:GHSA-63MC-HW7G-86RR...

NPM: Phoenix: Presence keys colliding with `Object.prototype` members break existence checks

NPM: Phoenix: Presence keys colliding with Object.prototype members break existence checks vulnerability discovered by ? in WordPress Npm phoenix versions = 1.2.0-rc.0, 1.5.15...

Phoenix: Presence keys colliding with `Object.prototype` members break existence checks

Summary The Phoenix JavaScript presence client assets/js/phoenix/presence.js tests whether a presence already exists using a bare truthiness check statekey rather than an own-property check. Because applications commonly track presences under a client-supplied username or id, the presence key can...

@abtnode/analytics (>=1.16.13-beta-0086a35d, <=1.17.13-beta-20260613-094425-b81920c8), @abtnode/auth (>=1.3.13, <=1.17.13-beta-20260613-094425-b81920c8) +212 more potentially affected by CVE-2026-56812 via phoenix (>=1.7.2, <=1.7.21)

phoenix NPM version =1.7.2, =1.16.13-beta-0086a35d, =1.3.13, =1.1.12, =1.6.23, =1.16.6-beta-08670107, =1.0.0, =1.16.33-beta-20241105-141729-e4608175, =1.0.0, =1.0.35, =1.16.33-beta-20241105-141729-e4608175, =1.0.2, =1.16.33-beta-20241105-141729-e4608175, =1.16.33-beta-20241105-141729-e4608175,...

GHSA-63MC-HW7G-86RR Phoenix: Presence keys colliding with `Object.prototype` members break existence checks

Summary The Phoenix JavaScript presence client assets/js/phoenix/presence.js tests whether a presence already exists using a bare truthiness check statekey rather than an own-property check. Because applications commonly track presences under a client-supplied username or id, the presence key can...

CVE-2026-77850 Stored XSS in AshAdmin relationship typeahead via unescaped label_field content

Stored Cross-site Scripting vulnerability in ash-project ashadmin executes attacker-supplied record content as script in an administrator's browser. The relationship typeahead components AshAdmin.Components.Resource.RelationshipField and AshAdmin.Components.Resource.ManagedRelationshipSelectField...