diff --git a/meta-python/recipes-devtools/python/python3-aiohttp/CVE-2026-54275.patch b/meta-python/recipes-devtools/python/python3-aiohttp/CVE-2026-54275.patch
new file mode 100644
index 0000000000..f6e748b2f6
--- /dev/null
+++ b/meta-python/recipes-devtools/python/python3-aiohttp/CVE-2026-54275.patch
@@ -0,0 +1,115 @@
+From 23328dc1950071dd1e05ac6aeb631874ef94afe3 Mon Sep 17 00:00:00 2001
+From: "J. Nick Koston" <nick@koston.org>
+Date: Sun, 7 Jun 2026 00:30:30 -0500
+Subject: [PATCH] [PR #12835/1e94b3e8 backport][3.14] Tls server hostname pool
+ key (#12847)
+
+CVE: CVE-2026-54275
+Upstream-Status: Backport [https://github.com/aio-libs/aiohttp/commit/0ca2b6c28a25726527a8b60f25960262a91ed0e0]
+
+(cherry picked from commit 0ca2b6c28a25726527a8b60f25960262a91ed0e0)
+Signed-off-by: Darsh Kelaiya <dkelaiya@cisco.com>
+---
+ CHANGES/12835.bugfix.rst        |  1 +
+ aiohttp/client_reqrep.py        |  2 ++
+ tests/test_client_functional.py | 31 +++++++++++++++++++++++++++++++
+ tests/test_client_request.py    | 16 ++++++++++++++++
+ 4 files changed, 50 insertions(+)
+ create mode 100644 CHANGES/12835.bugfix.rst
+
+diff --git a/CHANGES/12835.bugfix.rst b/CHANGES/12835.bugfix.rst
+new file mode 100644
+index 000000000..84a8ae006
+--- /dev/null
++++ b/CHANGES/12835.bugfix.rst
+@@ -0,0 +1 @@
++Included the per-request ``server_hostname`` override in the :class:`~aiohttp.TCPConnector` connection pool key, so a pooled TLS connection is no longer reused for a request that sets ``server_hostname`` to a different value -- by :user:`bdraco`.
+diff --git a/aiohttp/client_reqrep.py b/aiohttp/client_reqrep.py
+index a9e079589..5fe83fa88 100644
+--- a/aiohttp/client_reqrep.py
++++ b/aiohttp/client_reqrep.py
+@@ -255,6 +255,7 @@ class ConnectionKey(NamedTuple):
+     proxy: Optional[URL]
+     proxy_auth: Optional[BasicAuth]
+     proxy_headers_hash: Optional[int]  # hash(CIMultiDict)
++    server_hostname: str | None = None
+ 
+ 
+ def _is_expected_content_type(
+@@ -964,6 +965,7 @@ class ClientRequest:
+                 self.proxy,
+                 self.proxy_auth,
+                 h,
++                self.server_hostname,
+             ),
+         )
+ 
+diff --git a/tests/test_client_functional.py b/tests/test_client_functional.py
+index ea31567c4..60caf6e2a 100644
+--- a/tests/test_client_functional.py
++++ b/tests/test_client_functional.py
+@@ -720,6 +720,37 @@ async def test_ssl_client(
+     assert txt == "Test message"
+ 
+ 
++async def test_server_hostname_override_not_reused(
++    aiohttp_server: AiohttpServer,
++) -> None:
++    """A pooled TLS connection must not be reused for a different server_hostname."""
++    trustme = pytest.importorskip("trustme")
++
++    ca = trustme.CA()
++    cert = ca.issue_cert("first.example")
++    server_ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
++    cert.configure_cert(server_ctx)
++    client_ctx = ssl.create_default_context(purpose=ssl.Purpose.SERVER_AUTH)
++    ca.configure_trust(client_ctx)
++
++    async def handler(request: web.Request) -> web.Response:
++        return web.Response(text="ok")
++
++    app = web.Application()
++    app.router.add_route("GET", "/", handler)
++    server = await aiohttp_server(app, ssl=server_ctx)
++    url = server.make_url("/")
++
++    connector = aiohttp.TCPConnector(ssl=client_ctx, limit=1, limit_per_host=1)
++    async with aiohttp.ClientSession(connector=connector) as session:
++        async with session.get(url, server_hostname="first.example") as resp:
++            assert resp.status == 200
++            await resp.read()
++
++        with pytest.raises(aiohttp.ClientConnectorCertificateError):
++            await session.get(url, server_hostname="second.example")
++
++
+ @pytest.mark.skipif(
+     sys.version_info < (3, 11), reason="ssl_shutdown_timeout requires Python 3.11+"
+ )
+diff --git a/tests/test_client_request.py b/tests/test_client_request.py
+index e3cdc1c62..4c91245a5 100644
+--- a/tests/test_client_request.py
++++ b/tests/test_client_request.py
+@@ -1611,6 +1611,22 @@ async def test_connection_key_without_proxy() -> None:
+     await req.close()
+ 
+ 
++async def test_connection_key_includes_server_hostname(
++    make_request: _RequestMaker,
++) -> None:
++    """A server_hostname override must be part of the connection reuse key."""
++    url = URL("https://127.0.0.1:8443/")
++    none_req = make_request("GET", url)
++    first = make_request("GET", url, server_hostname="first.example")
++    first_again = make_request("GET", url, server_hostname="first.example")
++    second = make_request("GET", url, server_hostname="second.example")
++
++    assert first.connection_key.server_hostname == "first.example"
++    assert first.connection_key != none_req.connection_key
++    assert first.connection_key != second.connection_key
++    assert first.connection_key == first_again.connection_key
++
++
+ def test_request_info_back_compat() -> None:
+     """Test RequestInfo can be created without real_url."""
+     url = URL("http://example.com")
diff --git a/meta-python/recipes-devtools/python/python3-aiohttp_3.13.5.bb b/meta-python/recipes-devtools/python/python3-aiohttp_3.13.5.bb
index a40f522e4d..c70e4d025f 100644
--- a/meta-python/recipes-devtools/python/python3-aiohttp_3.13.5.bb
+++ b/meta-python/recipes-devtools/python/python3-aiohttp_3.13.5.bb
@@ -11,6 +11,7 @@ SRC_URI += " \
     file://CVE-2026-47265.patch \
     file://CVE-2026-50269.patch \
     file://CVE-2026-54274.patch \
+    file://CVE-2026-54275.patch \
 "
 
 CVE_PRODUCT = "aiohttp"