magento2-40827: Select and Multiselect attribute validation rejecting an option labelled 0
Community fix magento2-40827 merged into magento/magento2 on 2026-08-31, not in a release yet; applies cleanly to 34 releases from 2.4.6 to 2.4.9.
Fixes Select and Multiselect attribute validation rejecting an option labelled 0 edited
- Pull request title
- EAV Select and Multiselect attribute validation incorrectly rejects option labels with the value "0"
- Pull request
- magento/magento2#40827
- Issues
- #40634 human
- Author
- @lbajsarowicz
- Merged
- 2026-08-31
- Fixed in
- no release yet
- Reported on
- —
- Categories
- Catalog/Product
- Components
- magento/module-eav
Labels
- Area
- Product
- Component
- Eav
- Priority
- P3
- Severity
- —
- Reported on (labels)
- 2.4.x
Issue
Title and steps come from the upstream issue and pull request.
Description
!"0" evaluates to true in PHP.Steps to reproduce
2. Add an option whose label is set to
0.3. Attempt to save an entity (e.g. a customer or product) using that option value.
Expected result
Actual result
!"0" evaluates to true in PHP.Taken from the upstream issue.
Code match per tag
Each tag was checked with git apply --check against that tag's files. A clean match means the change applies; it is not a test result. Tags that already contain the fix are marked.
| Line | Code match per tag | Tests |
|---|---|---|
| 2.4.6 | 2.4.6 clean 2.4.6-p1 clean 2.4.6-p2 clean 2.4.6-p3 clean 2.4.6-p4 clean 2.4.6-p5 clean 2.4.6-p6 clean 2.4.6-p7 clean 2.4.6-p8 clean 2.4.6-p9 clean 2.4.6-p10 clean 2.4.6-p11 clean 2.4.6-p12 clean 2.4.6-p13 clean 2.4.6-p14 clean 2.4.6-p15 clean | 2.4.6: no test data 2.4.6-p1: no test data 2.4.6-p2: no test data 2.4.6-p3: no test data 2.4.6-p4: no test data 2.4.6-p5: no test data 2.4.6-p6: no test data 2.4.6-p7: no test data 2.4.6-p8: no test data 2.4.6-p9: no test data 2.4.6-p10: no test data 2.4.6-p11: no test data 2.4.6-p12: no test data 2.4.6-p13: no test data 2.4.6-p14: no test data 2.4.6-p15: no test data |
| 2.4.7 | 2.4.7 clean 2.4.7-p1 clean 2.4.7-p2 clean 2.4.7-p3 clean 2.4.7-p4 clean 2.4.7-p5 clean 2.4.7-p6 clean 2.4.7-p7 clean 2.4.7-p8 clean 2.4.7-p9 clean 2.4.7-p10 clean | 2.4.7: no test data 2.4.7-p1: no test data 2.4.7-p2: no test data 2.4.7-p3: no test data 2.4.7-p4: no test data 2.4.7-p5: no test data 2.4.7-p6: no test data 2.4.7-p7: no test data 2.4.7-p8: no test data 2.4.7-p9: no test data 2.4.7-p10: test files do not apply to this release (test header adapted)unit: could not run before, could not run after |
| 2.4.8 | 2.4.8 clean 2.4.8-p1 clean 2.4.8-p2 clean 2.4.8-p3 clean 2.4.8-p4 clean 2.4.8-p5 clean | 2.4.8: no test data 2.4.8-p1: no test data 2.4.8-p2: no test data 2.4.8-p3: no test data 2.4.8-p4: no test data 2.4.8-p5: fails before, passes after (test header adapted)unit: fails before, passes after |
| 2.4.9 | 2.4.9 clean | 2.4.9: fails before, passes afterunit: fails before, passes after |
Triage
Model @cf/cloudflare/clef. Probability this is a bug fix: 98.4%. Probability it is security relevant: 0.6%.
Show the model's answers and probabilities
| Question | Answer | Probabilities | Confidence |
|---|---|---|---|
| Change kind | bugfix | bugfix 97.4%, refactor 0.9%, tests_only 0.6%, feature 0.5%, docs_only 0.3%, dependency 0.3% | 93.8% |
| Area | catalog | catalog 83.9%, framework 4.7%, admin 4.7% | 66.9% |
| Reported version | unspecified | unspecified 29.2%, 2.4.6 2.6%, 2.4.8 2.1% | 8.2% |
| Scope | 0.78 of 2 | 1 56.1%, 0 33.1%, 2 10.8% | 15.3% |
| Risk | 0.16 of 2 | 0 87.8%, 1 8.9%, 2 3.3% | 66.9% |
| Worth backporting | 1.45 of 2 | 2 58.0%, 1 29.2%, 0 12.8% | 15.7% |
Download
For cweagans/composer-patches, choose a version below and download the bundle. Copy its magento2-40827/ folder into patches/composer/, merge composer.patches.json into composer.json, then run composer install. Test files are always removed; paths are relative to each package root, using the default -p1 level.
Bundle README (what the ZIP ships)
# magento2-40827 Community fix merged upstream into magento/magento2, adapted by magento.watch. This is not a patch published by Adobe. Pull request: https://github.com/magento/magento2/pull/40827 Issue: https://github.com/magento/magento2/issues/40634 Author: @lbajsarowicz Source commit: d97dbc6ecd2c4a8a2c7c70f7c73b96bcecd34a3e Modifications: test files and documentation removed, paths rewritten relative to each Composer package. Licence: OSL-3.0 / AFL-3.0, as the original Magento Open Source code. Maintainer: Łukasz Bajsarowicz (@lbajsarowicz)
Licence: Magento Open Source code under OSL-3.0 and AFL-3.0. The bundle carries the original author, source commit and the list of modifications.
