Fix ALINE feature matrix errors and add comprehensive tests
Support multiple VerbNet versions, fix longid/shortid regex for VerbNet ids
Let downloader fallback to md5 when sha256 is unavailable
Several other minor bugfixes and code cleanups
Thanks to the following contributors to 3.9.4:
Min-Yen Kan, Eric Kafe, Emily Voss, bowiechen, Hrudhai01,
jancallewaert, Mr-Neutr0n, pollak.peter89, ylwango613,
Version 3.9.3 2026-02-21
Fix CVE-2025-14009: secure ZIP extraction in nltk.downloader (#3468)
Block path traversal/arbitrary reads in nltk.data for protocol-less refs (#3467)
Block path traversal/abs paths in corpus readers and FS pointers (#3479, #3480)
Validate external StanfordSegmenter JARs using SHA256 (#3477)
Add optional sandbox enforcement for filestring() (#3485)
new environment variable NLTK_DOWNLOADER_FORCE_INTERACTIVE_SHELL
Lesk defaults to most frequent sense in case of ties
Thanks to the following contributors to 3.9.2:
Jose Cols, Peter de Blanc, GeneralPoxter, Eric Kafe, William LaCroix, Jason Liu,
Samer Masterson, Mike014, purificant, Andrew Ernest Ritz, samertm, Ikram Ul Haq,
Christopher Smith, Ryan Mannion
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🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.
## 📋 Pull Request Information
**Original PR:** https://github.com/open-webui/open-webui/pull/24279
**Author:** [@dependabot[bot]](https://github.com/apps/dependabot)
**Created:** 5/1/2026
**Status:** ❌ Closed
**Base:** `dev` ← **Head:** `dependabot/pip/backend/dev/nltk-3.9.4`
---
### 📝 Commits (1)
- [`34ee3b1`](https://github.com/open-webui/open-webui/commit/34ee3b1da2947d5d0fe048d4718936772e89d88e) Bump nltk from 3.9.3 to 3.9.4 in /backend
### 📊 Changes
**1 file changed** (+1 additions, -1 deletions)
<details>
<summary>View changed files</summary>
📝 `backend/requirements.txt` (+1 -1)
</details>
### 📄 Description
Bumps [nltk](https://github.com/nltk/nltk) from 3.9.3 to 3.9.4.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/nltk/nltk/blob/develop/ChangeLog">nltk's changelog</a>.</em></p>
<blockquote>
<p>Version 3.9.4 2026-03-24</p>
<ul>
<li>Support Python 3.14</li>
<li>Fix bug in Levenshtein distance when substitution_cost > 2</li>
<li>Fix bug in Treebank detokeniser re quote ordering</li>
<li>Fix bug in Jaro similarity for empty strings</li>
<li>Several security enhancements</li>
<li>Fix GHSA-rf74-v2fm-23pw: unbounded recursion in JSONTaggedDecoder</li>
<li>Implement TextTiling vocabulary introduction method (Hearst 1997)</li>
<li>Fix ALINE feature matrix errors and add comprehensive tests</li>
<li>Support multiple VerbNet versions, fix longid/shortid regex for VerbNet ids</li>
<li>Let downloader fallback to md5 when sha256 is unavailable</li>
<li>Several other minor bugfixes and code cleanups</li>
</ul>
<p>Thanks to the following contributors to 3.9.4:
Min-Yen Kan, Eric Kafe, Emily Voss, bowiechen, Hrudhai01,
jancallewaert, Mr-Neutr0n, pollak.peter89, ylwango613,</p>
<p>Version 3.9.3 2026-02-21</p>
<ul>
<li>Fix CVE-2025-14009: secure ZIP extraction in nltk.downloader (<a href="https://redirect.github.com/nltk/nltk/issues/3468">#3468</a>)</li>
<li>Block path traversal/arbitrary reads in nltk.data for protocol-less refs (<a href="https://redirect.github.com/nltk/nltk/issues/3467">#3467</a>)</li>
<li>Block path traversal/abs paths in corpus readers and FS pointers (<a href="https://redirect.github.com/nltk/nltk/issues/3479">#3479</a>, <a href="https://redirect.github.com/nltk/nltk/issues/3480">#3480</a>)</li>
<li>Validate external StanfordSegmenter JARs using SHA256 (<a href="https://redirect.github.com/nltk/nltk/issues/3477">#3477</a>)</li>
<li>Add optional sandbox enforcement for filestring() (<a href="https://redirect.github.com/nltk/nltk/issues/3485">#3485</a>)</li>
<li>Maintenance: downloader/zipped models, CI/tooling updates</li>
</ul>
<p>Thanks to the following contributors to 3.9.3:
Chris Clauss, Eric Kafe, HyperPS, purificant, Shivansh-Game, Christopher Smith</p>
<p>Version 3.9.2 2025-10-01</p>
<ul>
<li>Update download checksums to use SHA256 in built index</li>
<li>Fix percentage escape in new-style string formatting</li>
<li>replace shortened URLs using goo.gl</li>
<li>Make Wordnet interoperable with various taggers and tagged corpora</li>
<li>Fix saving PerceptronTagger</li>
<li>Document how to reproduce old Wordnet studies</li>
<li>properly initialize Portuguese corpus reader</li>
<li>support for mixed rules conversion into Chomsky Normal Form</li>
<li>only import tkinter if a GUI is needed</li>
<li>issue <a href="https://redirect.github.com/nltk/nltk/issues/2112">#2112</a> with Corenlp</li>
<li>new environment variable NLTK_DOWNLOADER_FORCE_INTERACTIVE_SHELL</li>
<li>Lesk defaults to most frequent sense in case of ties</li>
</ul>
<p>Thanks to the following contributors to 3.9.2:
Jose Cols, Peter de Blanc, GeneralPoxter, Eric Kafe, William LaCroix, Jason Liu,
Samer Masterson, Mike014, purificant, Andrew Ernest Ritz, samertm, Ikram Ul Haq,
Christopher Smith, Ryan Mannion</p>
<p>Version 3.9.1 2024-08-19</p>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/nltk/nltk/commit/ad9c96ba00a16923ffe917eacf63f1707bfa2d08"><code>ad9c96b</code></a> Update copyright year</li>
<li><a href="https://github.com/nltk/nltk/commit/7edcddfda566627b897397397cc4d10ae91cb86d"><code>7edcddf</code></a> Updates for 3.9.4 release</li>
<li><a href="https://github.com/nltk/nltk/commit/67a2736f89b286b028db08bd247134f17a11fc6b"><code>67a2736</code></a> Merge pull request <a href="https://redirect.github.com/nltk/nltk/issues/3180">#3180</a> from yzhaoinuw/bug-on-edit_distance_align</li>
<li><a href="https://github.com/nltk/nltk/commit/2b17ac5358a1c8d4b97455766efde0b786e6cdb2"><code>2b17ac5</code></a> Fix edit_distance_align backtrace for high substitution costs</li>
<li><a href="https://github.com/nltk/nltk/commit/4b72976a6ff3d180ed4012f11843e611a8f89516"><code>4b72976</code></a> Merge pull request <a href="https://redirect.github.com/nltk/nltk/issues/3018">#3018</a> from JuanIMartinezB/bug/shortid-longid</li>
<li><a href="https://github.com/nltk/nltk/commit/8a5619f53a281149e5342b1a00fe05fe2fc6517f"><code>8a5619f</code></a> Merge pull request <a href="https://redirect.github.com/nltk/nltk/issues/3222">#3222</a> from Syzygy2048/feature/texttiling-vocabulary-introd...</li>
<li><a href="https://github.com/nltk/nltk/commit/c6574d755e02b6163d9cd1d0b407076940e08864"><code>c6574d7</code></a> Merge pull request <a href="https://redirect.github.com/nltk/nltk/issues/3289">#3289</a> from ihitamandal/codeflash/optimize-windowdiff-2024-...</li>
<li><a href="https://github.com/nltk/nltk/commit/98ff5d9eaa1a81511873b9aef857944519c28dc4"><code>98ff5d9</code></a> Merge pull request <a href="https://redirect.github.com/nltk/nltk/issues/3435">#3435</a> from Hrudhai01/fix-3260-detokenize-quotes</li>
<li><a href="https://github.com/nltk/nltk/commit/aec4fce1b84ad725b8975f7365b23a4f626572a9"><code>aec4fce</code></a> Merge pull request <a href="https://redirect.github.com/nltk/nltk/issues/3522">#3522</a> from ekaf/pathsec</li>
<li><a href="https://github.com/nltk/nltk/commit/eec4ee3591cb9cb8b8c2989f08012608c841d532"><code>eec4ee3</code></a> Merge pull request <a href="https://redirect.github.com/nltk/nltk/issues/3526">#3526</a> from nltk/update-contributing</li>
<li>Additional commits viewable in <a href="https://github.com/nltk/nltk/compare/3.9.3...3.9.4">compare view</a></li>
</ul>
</details>
<br />
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---
<sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
Blocking a user prevents them from interacting with repositories, such as opening or commenting on pull requests or issues. Learn more about blocking a user.
📋 Pull Request Information
Original PR: https://github.com/open-webui/open-webui/pull/24279
Author: @dependabot[bot]
Created: 5/1/2026
Status: ❌ Closed
Base:
dev← Head:dependabot/pip/backend/dev/nltk-3.9.4📝 Commits (1)
34ee3b1Bump nltk from 3.9.3 to 3.9.4 in /backend📊 Changes
1 file changed (+1 additions, -1 deletions)
View changed files
📝
backend/requirements.txt(+1 -1)📄 Description
Bumps nltk from 3.9.3 to 3.9.4.
Changelog
Sourced from nltk's changelog.
... (truncated)
Commits
ad9c96bUpdate copyright year7edcddfUpdates for 3.9.4 release67a2736Merge pull request #3180 from yzhaoinuw/bug-on-edit_distance_align2b17ac5Fix edit_distance_align backtrace for high substitution costs4b72976Merge pull request #3018 from JuanIMartinezB/bug/shortid-longid8a5619fMerge pull request #3222 from Syzygy2048/feature/texttiling-vocabulary-introd...c6574d7Merge pull request #3289 from ihitamandal/codeflash/optimize-windowdiff-2024-...98ff5d9Merge pull request #3435 from Hrudhai01/fix-3260-detokenize-quotesaec4fceMerge pull request #3522 from ekaf/pathseceec4ee3Merge pull request #3526 from nltk/update-contributingDependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase.Dependabot commands and options
You can trigger Dependabot actions by commenting on this PR:
@dependabot rebasewill rebase this PR@dependabot recreatewill recreate this PR, overwriting any edits that have been made to it@dependabot show <dependency name> ignore conditionswill show all of the ignore conditions of the specified dependency@dependabot ignore this major versionwill close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)@dependabot ignore this minor versionwill close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)@dependabot ignore this dependencywill close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.