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Ruby on Rails 7.2.3.1 (2026-03-23)
Active Support
* Reject scientific notation in NumberConverter [CVE-2026-33176]
Jean Boussier
* Fix SafeBuffer#% to preserve unsafe status [CVE-2026-33170]
Jean Boussier
* Improve performance of NumberToDelimitedConverter [CVE-2026-33169]
Jean Boussier
Action View
* Skip blank attribute names in tag helpers to avoid generating invalid
HTML. [CVE-2026-33168] Mike Dalessio
Active Storage
* Filter user supplied metadata in DirectUploadController [CVE-2026-33173]
Jean Boussier
* Configurable maxmimum streaming chunk size
Makes sure that byte ranges for blobs don't exceed 100mb by default.
Content ranges that are too big can result in denial of service.
[CVE-2026-33174] Gannon McGibbon
* Limit range requests to a single range [CVE-2026-33658]
Jean Boussier
* Prevent path traversal in DiskService.
DiskService#path_for now raises an InvalidKeyError when passed keys with
dot segments (".", ".."), or if the resolved path is outside the storage
root directory.
#path_for also now consistently raises InvalidKeyError if the key is
invalid in any way, for example containing null bytes or having an
incompatible encoding. Previously, the exception raised may have been
ArgumentError or Encoding::CompatibilityError.
DiskController now explicitly rescues InvalidKeyError with appropriate
HTTP status codes.
[CVE-2026-33195] Mike Dalessio
* Prevent glob injection in DiskService#delete_prefixed.
Escape glob metacharacters in the resolved path before passing to Dir.glob.
Note that this change breaks any existing code that is relying on
delete_prefixed to expand glob metacharacters. This change presumes that
is unintended behavior (as other storage services do not respect these
metacharacters).
[CVE-2026-33202] Mike Dalessio
Active Model
Active Record
Action Pack
Active Job
Action Mailer
Action Cable
Action Mailbox
Action Text
Railties
* No change except version.
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