From 0168f5a453b68c13a516c5f1c9d7ade95304d0fc Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Thu, 18 Jun 2026 15:26:51 -0400
Subject: [PATCH] chore: bump bleach from 6.2.0 to 6.4.0 in /libs/langchain
 (#38196)
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[//]: # (dependabot-start)
⚠️  **Dependabot is rebasing this PR** ⚠️

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[//]: # (dependabot-end)

Bumps [bleach](https://github.com/mozilla/bleach) from 6.2.0 to 6.4.0.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/mozilla/bleach/blob/main/CHANGES">bleach's
changelog</a>.</em></p>
<blockquote>
<h2>Version 6.4.0 (June 5th, 2026)</h2>
<p><strong>NOTE: 2026-06-05: Bleach is no longer maintained. There will
be no future
releases including for security issues.</strong>
See issue:
<code>&lt;https://github.com/mozilla/bleach/issues/698&gt;</code>__</p>
<p><strong>Backwards incompatible changes</strong></p>
<ul>
<li>Dropped support for pypy 3.10. (<a
href="https://redirect.github.com/mozilla/bleach/issues/764">#764</a>)</li>
</ul>
<p><strong>Security fixes</strong></p>
<ul>
<li>
<p>Fix bug 2023812 / GHSA-8rfp-98v4-mmr6.</p>
<p>Fix XSS issue with sanitize_uri_value where disallowed schemes with
Unicode invisible characters wouldn't be rejected.</p>
<p>For example::</p>
<p>import bleach
payload1 = '<!-- raw HTML omitted -->Click<!-- raw HTML omitted -->'
result1 = bleach.clean(payload1)
print(repr(result1))</p>
<p>outputs::</p>
<p>'<!-- raw HTML omitted -->Click<!-- raw HTML omitted -->'</p>
<p>See the advisory for details.</p>
</li>
<li>
<p>Fix GHSA-gj48-438w-jh9v.</p>
<p>Fix issue where URI sanitization wasn't happening in formaction
attributes.</p>
<p>See the advisory for details.</p>
</li>
</ul>
<p><strong>Bug fixes</strong></p>
<ul>
<li>
<p>Add support for pypy 3.11. (<a
href="https://redirect.github.com/mozilla/bleach/issues/764">#764</a>)</p>
</li>
<li>
<p>Drop version max in tinycss2 pin. (<a
href="https://redirect.github.com/mozilla/bleach/issues/772">#772</a>)</p>
<p>This removes one of the things we had to keep checking and updating.
Users
now own the responsibility for correctness with the version of tinycss2
they're using.</p>
</li>
</ul>
<h2>Version 6.3.0 (October 27th, 2025)</h2>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/mozilla/bleach/commit/f0355a7af00500482c5292c6c83290c6a178068d"><code>f0355a7</code></a>
fix: fix last release date in CHANGES</li>
<li><a
href="https://github.com/mozilla/bleach/commit/ae4e8a26706516ad01b92e66321b480208a440da"><code>ae4e8a2</code></a>
chore: bleach 6.4.0 and final release</li>
<li><a
href="https://github.com/mozilla/bleach/commit/970df58e9f0c55cc52244f3f0106e473a40d886d"><code>970df58</code></a>
fix: uri-sanitization in formaction attributes</li>
<li><a
href="https://github.com/mozilla/bleach/commit/7c4867c32344d1c961107fae62240a6f0dc680dc"><code>7c4867c</code></a>
fix: xss bypass in allowed protocol test using unicode invisible
characters</li>
<li><a
href="https://github.com/mozilla/bleach/commit/913ab75992b845e2c9c060c41f24d46921db4693"><code>913ab75</code></a>
fix: reduce redundancy in workflow jobs</li>
<li><a
href="https://github.com/mozilla/bleach/commit/218c15af455c8dec14f98fcb2e235f8680e93930"><code>218c15a</code></a>
fix: rework pip caching</li>
<li><a
href="https://github.com/mozilla/bleach/commit/4f0b097bf80548a022050e2f71f024d755a9f154"><code>4f0b097</code></a>
fix: fix tox platform restrictions</li>
<li><a
href="https://github.com/mozilla/bleach/commit/e95a79d07bb5d792425c2bc0ef5dd03f6614f3bb"><code>e95a79d</code></a>
chore: update pytest</li>
<li><a
href="https://github.com/mozilla/bleach/commit/91539d4e80d4685b8f2bedc79076ff0ff6c1b911"><code>91539d4</code></a>
Bump actions/cache from 5.0.3 to 5.0.4</li>
<li><a
href="https://github.com/mozilla/bleach/commit/cd47b4ce495859065da23c2116f651e591e1e90d"><code>cd47b4c</code></a>
fix: handle left-angle-bracket that's not a tag (<a
href="https://redirect.github.com/mozilla/bleach/issues/733">#733</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/mozilla/bleach/compare/v6.2.0...v6.4.0">compare
view</a></li>
</ul>
</details>
<br />


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---
 libs/langchain/uv.lock | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libs/langchain/uv.lock b/libs/langchain/uv.lock
index 15e8fffbff2..8ddf82fb124 100644
--- a/libs/langchain/uv.lock
+++ b/libs/langchain/uv.lock
@@ -601,14 +601,14 @@ wheels = [
 
 [[package]]
 name = "bleach"
-version = "6.2.0"
+version = "6.4.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "webencodings" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/76/9a/0e33f5054c54d349ea62c277191c020c2d6ef1d65ab2cb1993f91ec846d1/bleach-6.2.0.tar.gz", hash = "sha256:123e894118b8a599fd80d3ec1a6d4cc7ce4e5882b1317a7e1ba69b56e95f991f", size = 203083, upload-time = "2024-10-29T18:30:40.477Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/48/3c/e12ac860709702bd5ebeb9b56a4fe334f1001246ee1b8f2b7ee28912df7d/bleach-6.4.0.tar.gz", hash = "sha256:4202482733d85cedd04e59fcb2f89f4e4c7c385a78d3c3c23c30446843a37452", size = 204857, upload-time = "2026-06-05T13:01:13.734Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/fc/55/96142937f66150805c25c4d0f31ee4132fd33497753400734f9dfdcbdc66/bleach-6.2.0-py3-none-any.whl", hash = "sha256:117d9c6097a7c3d22fd578fcd8d35ff1e125df6736f554da4e432fdd63f31e5e", size = 163406, upload-time = "2024-10-29T18:30:38.186Z" },
+    { url = "https://files.pythonhosted.org/packages/58/9d/40b6267367182187139a4000b82a3b287d84d745bccd808e75d916920e9d/bleach-6.4.0-py3-none-any.whl", hash = "sha256:4b6b6a54fff2e69a3dde9d21cc6301220bee3c3cb792187d11403fd795031081", size = 165109, upload-time = "2026-06-05T13:01:12.504Z" },
 ]
 
 [package.optional-dependencies]