How many CVEs have patched prepare?

7 published CVEs changed prepare in team-alembic/ash_authentication, in 8 distinct patches totalling 836 changed lines, between 2026 and 2026.

What is the latest CVE that changed prepare?

CVE-2026-76949 (Remember-me sign-in guard reads a session key that is never written in ash_authentication, allowing session replacement), published 2026-09-17, changed lines 1 to 151 of lib/ash_authentication/strategies/remember_me/sign_in_preparation.ex.

How does prepare compare to the rest of team-alembic/ash_authentication?

team-alembic/ash_authentication has 20 CVEs with a located fix in total; 7 of them changed prepare.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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team-alembic/ash_authentication

Function

8 files

prepare

Name: prepare in team-alembic/ash_authentication: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

Defined in 8 files

Last patched September 17, 2026

7

CVEs

That changed this function

8

Distinct patches

Backports counted once

836

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

prepare in team-alembic/ash_authentication was changed by 7 published CVE fixes in 2026, in 8 distinct patches that added or removed 836 lines in total.

The name occurs in 8 files: lib/ash_authentication/strategies/password/sign_in_with_token_preparation.ex, lib/ash_authentication/strategies/api_key/sign_in_preparation.ex, lib/ash_authentication/strategies/oauth2/sign_in_preparation.ex, lib/ash_authentication/strategies/magic_link/sign_in_preparation.ex, lib/ash_authentication/strategies/remember_me/sign_in_preparation.ex, lib/ash_authentication/oauth2_authentication/sign_in_preparation.ex, lib/ash_authentication/strategies/magic_link/request_preparation.ex, lib/ash_authentication/preparations/filter_by_subject.ex.

team-alembic/ash_authentication has 20 CVEs with a located fix in total, so 35% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed prepare, newest first, with the lines each fix touched.

Remember-me sign-in guard reads a session key that is never written in ash_authentication, allowing session replacement
CVE-2026-76949 · lib/ash_authentication/strategies/remember_me/sign_in_preparation.ex · lines 1–151 · +151 −0
Critical · CVSS 9.1
EPSS 0.8%2026-09-17
dynamic_oidc identities are not namespaced by connection in ash_authentication, allowing cross-connection account takeover
CVE-2026-91039 · lib/ash_authentication/strategies/oauth2/sign_in_preparation.ex · lines 36–67 · +29 −10
Critical · CVSS 9.1
EPSS 0.7%2026-09-17
Single-use sign-in token placed in a redirect query string in AshAuthenticationPhoenix
CVE-2026-81632 · lib/ash_authentication/strategies/password/sign_in_with_token_preparation.ex · lines 1–159 · +159 −0
High · CVSS 7.2
EPSS 0.2%2026-09-17
Sign-in token minted for one resource accepted by another in AshAuthentication
CVE-2026-80218 · lib/ash_authentication/preparations/filter_by_subject.ex · lines 10–30 · +11 −14
High · CVSS 7.6
EPSS 0.6%2026-09-17
Sign-in token minted for one resource accepted by another in AshAuthentication
CVE-2026-80218 · lib/ash_authentication/strategies/password/sign_in_with_token_preparation.ex · lines 1–159 · +159 −0
High · CVSS 7.6
EPSS 0.6%2026-09-17
Replayable OAuth2 CSRF state retained after a failed callback in AshAuthentication
CVE-2026-81637 · lib/ash_authentication/oauth2_authentication/sign_in_preparation.ex · lines 1–72 · +72 −0
Low · CVSS 2.3
EPSS 0.6%2026-09-17
Magic link single-use tokens replayable via TOCTOU race in AshAuthentication
CVE-2026-82761 · lib/ash_authentication/strategies/magic_link/request_preparation.ex · lines 1–43 · +43 −0
Critical · CVSS 9.1
EPSS 0.6%2026-09-17
Magic link single-use tokens replayable via TOCTOU race in AshAuthentication
CVE-2026-82761 · lib/ash_authentication/strategies/magic_link/sign_in_preparation.ex · lines 1–51 · +51 −0
Critical · CVSS 9.1
EPSS 0.6%2026-09-17
Superlinear base62 decoding exhausts CPU and memory in AshAuthentication API key sign-in
CVE-2026-82760 · lib/ash_authentication/strategies/api_key/sign_in_preparation.ex · lines 1–137 · +137 −0
High · CVSS 8.2
EPSS 0.7%2026-09-17

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Other functions in these files

Functions in the same files that CVE fixes also changed.

Other hotspots in the repository

Functions in team-alembic/ash_authentication changed by the most CVE fixes.

Otherwise3 CVEs · lib/ash_authentication/strategies/oauth2/user_resolver.ex uid_from_user_info3 CVEs · lib/ash_authentication/strategies/oauth2.ex do_change3 CVEs · lib/ash_authentication/strategies/oauth2/identity_change.ex map_join3 CVEs · lib/mix/tasks/ash_authentication.add_strategy.ex store_identity_link3 CVEs · lib/ash_authentication/add_ons/confirmation/actions.ex verify3 CVEs · lib/ash_authentication/strategies/apple/verifier.ex

All patched functions in team-alembic/ash_authentication

Frequently asked questions

Common questions about CVE fixes to prepare.

How many CVEs have patched prepare?: 7 published CVEs changed prepare in team-alembic/ash_authentication, in 8 distinct patches totalling 836 changed lines, between 2026 and 2026.
What is the latest CVE that changed prepare?: CVE-2026-76949 (Remember-me sign-in guard reads a session key that is never written in ash_authentication, allowing session replacement), published 2026-09-17, changed lines 1 to 151 of lib/ash_authentication/strategies/remember_me/sign_in_preparation.ex.
How does prepare compare to the rest of team-alembic/ash_authentication?: team-alembic/ash_authentication has 20 CVEs with a located fix in total; 7 of them changed prepare.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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