CVE-2026-55733

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-controlled binary input. Guardian.Permissions.AtomEncoding encodes permission scopes by passing arbitrary binaries to String.toatom/1. When encode/3 in...

CVE-2026-55735

Improper Verification of Cryptographic Signature in ueberauth guardian allows an unauthenticated attacker to revoke a victim's session with a forged token. Guardian.revoke/3 in lib/guardian.ex decodes the supplied token with peek/1, which performs no signature verification it only base64-decodes...

CVE-2026-55734

Allocation of Resources Without Limits or Throttling vulnerability in ueberauth guardian Guardian.Permissions module allows a denial of service via BEAM atom-table exhaustion. This vulnerability is associated with program file lib/guardian/permissions.ex and program routines...

CVE-2026-54894

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-influenced binary input. Guardian.Plug.Keys derives connection and session namespace keys by passing arbitrary binaries to String.toatom/1. basekey/1 in...

EUVD-2026-51917

Allocation of Resources Without Limits or Throttling vulnerability in ueberauth guardian Guardian.Permissions module allows a denial of service via BEAM atom-table exhaustion. This vulnerability is associated with program file lib/guardian/permissions.ex and program routines...

CVE-2026-55734

CVE-2026-55734 affects guardian: from 2.0.0 before 2.4.1. The vulnerability lies in Guardian.Permissions.encode_permissions!/1 (Elixir) where each map key is converted to an atom via String.to_atom(to_string(k)) before validation. If a key has an integer value, the encoding path bypasses validati...

CVE-2026-55734 guardian atom exhaustion in Guardian.Permissions.encode_permissions!/1

Allocation of Resources Without Limits or Throttling vulnerability in ueberauth guardian Guardian.Permissions module allows a denial of service via BEAM atom-table exhaustion. This vulnerability is associated with program file lib/guardian/permissions.ex and program routines...

CVE-2026-55734 guardian atom exhaustion in Guardian.Permissions.encode_permissions!/1

Allocation of Resources Without Limits or Throttling vulnerability in ueberauth guardian Guardian.Permissions module allows a denial of service via BEAM atom-table exhaustion. This vulnerability is associated with program file lib/guardian/permissions.ex and program routines...

CVE-2026-55733 Atom-table exhaustion denial of service in Guardian permissions AtomEncoding via unbounded atom creation

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-controlled binary input. Guardian.Permissions.AtomEncoding encodes permission scopes by passing arbitrary binaries to String.toatom/1. When encode/3 in...

CVE-2026-55733

CVE-2026-55733 concerns Guardian permissions AtomEncoding: when encoding permission scopes, external binary inputs are passed to String.to_atom/1 without allow-list checks, causing unbounded atom creation. Each unseen binary mints a permanent BEAM atom; the atom table is finite (~1,048,576 entrie...

CVE-2026-55733 Atom-table exhaustion denial of service in Guardian permissions AtomEncoding via unbounded atom creation

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-controlled binary input. Guardian.Permissions.AtomEncoding encodes permission scopes by passing arbitrary binaries to String.toatom/1. When encode/3 in...

EUVD-2026-51916

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-controlled binary input. Guardian.Permissions.AtomEncoding encodes permission scopes by passing arbitrary binaries to String.toatom/1. When encode/3 in...

EUVD-2026-51914

Improper Verification of Cryptographic Signature in ueberauth guardian allows an unauthenticated attacker to revoke a victim's session with a forged token. Guardian.revoke/3 in lib/guardian.ex decodes the supplied token with peek/1, which performs no signature verification it only base64-decodes...

EUVD-2026-51915

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-influenced binary input. Guardian.Plug.Keys derives connection and session namespace keys by passing arbitrary binaries to String.toatom/1. basekey/1 in...

CVE-2026-54894

CVE-2026-54894 affects guardian: from 0.1.0 before 2.4.1. The issue arises when Guardian.Plug.Keys converts attacker-controlled binaries into atoms via String.to_atom/1, creating permanent atoms (e.g., "guardian_") and a second atom for keys mustered by claims_key/resource_key/token_key. Since at...

CVE-2026-55735 Guardian.revoke/3 acts on unverified token claims, allowing forged-token session revocation

Improper Verification of Cryptographic Signature in ueberauth guardian allows an unauthenticated attacker to revoke a victim's session with a forged token. Guardian.revoke/3 in lib/guardian.ex decodes the supplied token with peek/1, which performs no signature verification it only base64-decodes...

CVE-2026-55735

CVE-2026-55735 affects guardian: from 1.0.0 up to before 2.4.1. The revoke/3 path in Guardian.revoke/3 decodes tokens with peek/1 without signature verification, unlike refresh/2 and exchange/4 which verify. An attacker who knows a victim’s jti/sub can forge a JWT and submit it to an endpoint tha...

CVE-2026-54894 Atom-table exhaustion denial of service in Guardian via unbounded atom creation from binary keys

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-influenced binary input. Guardian.Plug.Keys derives connection and session namespace keys by passing arbitrary binaries to String.toatom/1. basekey/1 in...

CVE-2026-54894 Atom-table exhaustion denial of service in Guardian via unbounded atom creation from binary keys

Allocation of Resources Without Limits or Throttling in ueberauth guardian allows denial of service via unbounded atom creation from attacker-influenced binary input. Guardian.Plug.Keys derives connection and session namespace keys by passing arbitrary binaries to String.toatom/1. basekey/1 in...

CVE-2026-55735 Guardian.revoke/3 acts on unverified token claims, allowing forged-token session revocation

Improper Verification of Cryptographic Signature in ueberauth guardian allows an unauthenticated attacker to revoke a victim's session with a forged token. Guardian.revoke/3 in lib/guardian.ex decodes the supplied token with peek/1, which performs no signature verification it only base64-decodes...