diff --git a/meta-networking/recipes-support/tinyproxy/tinyproxy/CVE-2026-31842.patch b/meta-networking/recipes-support/tinyproxy/tinyproxy/CVE-2026-31842.patch
new file mode 100644
index 0000000000..6b8c02d629
--- /dev/null
+++ b/meta-networking/recipes-support/tinyproxy/tinyproxy/CVE-2026-31842.patch
@@ -0,0 +1,33 @@
+From ed5252d213a68546feaff68e2b40e401d2c2afd4 Mon Sep 17 00:00:00 2001
+From: rofl0r <rofl0r@users.noreply.github.com>
+Date: Fri, 3 Apr 2026 11:21:23 +0200
+Subject: [PATCH] reqs: fix case-sensitive matching of "chunked" (#605)
+
+the chunked transfer encoding needs to be matched in a case-
+insensitive manner.
+
+closes #604
+
+(cherry picked from commit 879bf844abffa0bf5fae6aff0c73179024dd9f98)
+
+CVE: CVE-2026-31842
+Upstream-Status: Backport [https://github.com/tinyproxy/tinyproxy/commit/879bf844abffa0bf5fae6aff0c73179024dd9f98]
+
+Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
+---
+ src/reqs.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/reqs.c b/src/reqs.c
+index 7aacfd3..8b68538 100644
+--- a/src/reqs.c
++++ b/src/reqs.c
+@@ -850,7 +850,7 @@ static int is_chunked_transfer (pseudomap *hashofheaders)
+ {
+         char *data;
+         data = pseudomap_find (hashofheaders, "transfer-encoding");
+-        return data ? !strcmp (data, "chunked") : 0;
++        return data ? !strcasecmp (data, "chunked") : 0;
+ }
+ 
+ /*
diff --git a/meta-networking/recipes-support/tinyproxy/tinyproxy_1.11.3.bb b/meta-networking/recipes-support/tinyproxy/tinyproxy_1.11.3.bb
index 56e3296066..4ce766b40b 100644
--- a/meta-networking/recipes-support/tinyproxy/tinyproxy_1.11.3.bb
+++ b/meta-networking/recipes-support/tinyproxy/tinyproxy_1.11.3.bb
@@ -9,6 +9,7 @@ SRC_URI = "https://github.com/${BPN}/${BPN}/releases/download/${PV}/${BP}.tar.gz
            file://run-ptest \
            file://CVE-2026-3945-1.patch \
            file://CVE-2026-3945-2.patch \
+           file://CVE-2026-31842.patch \
            "
 
 SRC_URI[sha256sum] = "9bcf46db1a2375ff3e3d27a41982f1efec4706cce8899ff9f33323a8218f7592"