chore(deps): update dependency marshmallow to v3.26.2 [security]

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
marshmallow (changelog)	==3.23.1 -> ==3.26.2

GitHub Vulnerability Alerts

CVE-2025-68480

Impact

Schema.load(data, many=True) is vulnerable to denial of service attacks. A moderately sized request can consume a disproportionate amount of CPU time.

Patches

4.1.2, 3.26.2

Workarounds

# Fail fast
def load_many(schema, data, **kwargs):
    if not isinstance(data, list):
        raise ValidationError(['Invalid input type.'])
    return [schema.load(item, **kwargs) for item in data]

---

Release Notes

marshmallow-code/marshmallow (marshmallow)

v3.26.2

Compare Source

v3.26.1

Compare Source

v3.26.0

Compare Source

v3.25.1

Compare Source

v3.25.0

Compare Source

v3.24.2

Compare Source

v3.24.1

Compare Source

v3.24.0

Compare Source

v3.23.3

Compare Source

v3.23.2

Compare Source

---

Configuration

📅 Schedule: Branch creation - "" in timezone Europe/London, Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.90%. Comparing base (b3e3ca4) to head (25bbb2f).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #293   +/-   ##
=======================================
  Coverage   76.90%   76.90%           
=======================================
  Files          31       31           
  Lines        4533     4533           
  Branches      322      322           
=======================================
  Hits         3486     3486           
  Misses        978      978           
  Partials       69       69           

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[renovate]

Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠️ Warning: custom changes will be lost.