diff --git a/lib/crewai/pyproject.toml b/lib/crewai/pyproject.toml
index 2e484df9d..23c9bb0a0 100644
--- a/lib/crewai/pyproject.toml
+++ b/lib/crewai/pyproject.toml
@@ -32,7 +32,7 @@ dependencies = [
     "click>=8.1.7,<9",
     "appdirs~=1.4.4",
     "jsonref~=1.1.0",
-    "json-repair~=0.25.2",
+    "json-repair>=0.60.1,<1.0.0",
     "cel-python>=0.5.0,<0.6",
     "tomli-w~=1.1.0",
     "tomli~=2.0.2",
diff --git a/lib/crewai/src/crewai/agents/constants.py b/lib/crewai/src/crewai/agents/constants.py
index 7a180f947..9b824d4ba 100644
--- a/lib/crewai/src/crewai/agents/constants.py
+++ b/lib/crewai/src/crewai/agents/constants.py
@@ -14,7 +14,8 @@ MISSING_ACTION_INPUT_AFTER_ACTION_ERROR_MESSAGE: Final[str] = (
 FINAL_ANSWER_AND_PARSABLE_ACTION_ERROR_MESSAGE: Final[str] = (
     "I did it wrong. Tried to both perform Action and give a Final Answer at the same time, I must do one or the other"
 )
-UNABLE_TO_REPAIR_JSON_RESULTS: Final[list[str]] = ['""', "{}"]
+# json-repair < 0.60 signaled unrepairable input with '""'; >= 0.60 returns "".
+UNABLE_TO_REPAIR_JSON_RESULTS: Final[list[str]] = ['""', "{}", ""]
 ACTION_INPUT_REGEX: Final[re.Pattern[str]] = re.compile(
     r"Action\s*\d*\s*:\s*(.*?)\s*Action\s*\d*\s*Input\s*\d*\s*:\s*(.*)", re.DOTALL
 )
diff --git a/lib/crewai/src/crewai/agents/parser.py b/lib/crewai/src/crewai/agents/parser.py
index c59719226..61c792271 100644
--- a/lib/crewai/src/crewai/agents/parser.py
+++ b/lib/crewai/src/crewai/agents/parser.py
@@ -6,6 +6,7 @@ AgentAction or AgentFinish objects.
 """
 
 from dataclasses import dataclass
+import json
 
 from json_repair import repair_json  # type: ignore[import-untyped]
 from pydantic import BaseModel
@@ -176,4 +177,14 @@ def _safe_repair_json(tool_input: str) -> str:
     if result in UNABLE_TO_REPAIR_JSON_RESULTS:
         return tool_input
 
+    # Non-JSON input (e.g. "{temperature in SF}") gets coerced into JSON
+    # scalars/arrays by json-repair rather than repaired; only a repaired
+    # object is a plausible tool input, so keep the original otherwise.
+    try:
+        repaired_object = json.loads(str(result))
+    except (ValueError, TypeError):
+        return tool_input
+    if not isinstance(repaired_object, dict):
+        return tool_input
+
     return str(result)
diff --git a/lib/crewai/tests/security/test_dependency_pins.py b/lib/crewai/tests/security/test_dependency_pins.py
new file mode 100644
index 000000000..7157c6a05
--- /dev/null
+++ b/lib/crewai/tests/security/test_dependency_pins.py
@@ -0,0 +1,47 @@
+"""Guardrails for security-sensitive dependency pins in crewai's pyproject.
+
+These tests parse the published requirement specifiers so that a stale pin
+cannot silently reintroduce a known-vulnerable dependency range.
+"""
+
+from pathlib import Path
+
+from packaging.requirements import Requirement
+
+try:
+    import tomllib
+except ModuleNotFoundError:  # Python 3.10
+    import tomli as tomllib  # type: ignore[no-redef]
+
+PYPROJECT_PATH = Path(__file__).parents[2] / "pyproject.toml"
+
+
+def _get_requirement(name: str) -> Requirement:
+    data = tomllib.loads(PYPROJECT_PATH.read_text())
+    for spec in data["project"]["dependencies"]:
+        requirement = Requirement(spec)
+        if requirement.name == name:
+            return requirement
+    raise AssertionError(f"{name} not found in [project.dependencies]")
+
+
+class TestJsonRepairPin:
+    """GHSA-xf7x-x43h-rpqh: json-repair < 0.60.1 has an unbounded-CPU DoS on
+    circular JSON Schema $ref structures. crewai feeds LLM output to
+    json_repair, so the vulnerable range is a real DoS surface (OSS-91)."""
+
+    def test_requirement_excludes_vulnerable_range(self) -> None:
+        requirement = _get_requirement("json-repair")
+        for vulnerable in ("0.25.2", "0.25.3", "0.59.0", "0.60.0"):
+            assert not requirement.specifier.contains(vulnerable), (
+                f"json-repair requirement '{requirement}' admits {vulnerable}, "
+                "which is vulnerable to GHSA-xf7x-x43h-rpqh (fixed in 0.60.1)"
+            )
+
+    def test_requirement_admits_patched_releases(self) -> None:
+        requirement = _get_requirement("json-repair")
+        for patched in ("0.60.1", "0.61.4"):
+            assert requirement.specifier.contains(patched), (
+                f"json-repair requirement '{requirement}' blocks patched "
+                f"version {patched}"
+            )
diff --git a/uv.lock b/uv.lock
index 8e892e4a3..31af0676f 100644
--- a/uv.lock
+++ b/uv.lock
@@ -13,7 +13,7 @@ resolution-markers = [
 ]
 
 [options]
-exclude-newer = "2026-07-04T15:35:51.457693Z"
+exclude-newer = "0001-01-01T00:00:00Z" # This has no effect and is included for backwards compatibility when using relative exclude-newer values.
 exclude-newer-span = "P3D"
 
 [options.exclude-newer-package]
@@ -1444,7 +1444,7 @@ requires-dist = [
     { name = "httpx-sse", marker = "extra == 'a2a'", specifier = "~=0.4.0" },
     { name = "ibm-watsonx-ai", marker = "extra == 'watson'", specifier = "~=1.3.39" },
     { name = "instructor", specifier = ">=1.3.3" },
-    { name = "json-repair", specifier = "~=0.25.2" },
+    { name = "json-repair", specifier = ">=0.60.1,<1.0.0" },
     { name = "json5", specifier = "~=0.10.0" },
     { name = "jsonref", specifier = "~=1.1.0" },
     { name = "lancedb", specifier = ">=0.29.2,<0.30.1" },
@@ -3631,11 +3631,11 @@ wheels = [
 
 [[package]]
 name = "json-repair"
-version = "0.25.3"
+version = "0.61.2"
 source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/7c/60/484ee009c1867ddc5ffe0ff2131b82e80bbf13fdb59f3d93834f98e56a9f/json_repair-0.25.3.tar.gz", hash = "sha256:4ee970581a05b0b258b749eb8bcac21de380edda97c3717a4edfafc519ec21a4", size = 20619, upload-time = "2024-07-10T13:42:18.977Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/ff/7c/6d7c931fb6348f957154f9af926a77777a03ef0f6108c51cc2d7c9876a22/json_repair-0.61.2.tar.gz", hash = "sha256:b63ae5ad44c8720158e24bdd7e33506f7036174c287831b187a51619a6f58a34", size = 50539, upload-time = "2026-07-05T11:53:08.137Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/f0/9e/2ab68cc0ff030e1ef78329d7b933473d3ad2c7d0e66aede6a7c87f74753c/json_repair-0.25.3-py3-none-any.whl", hash = "sha256:f00b510dd21b31ebe72581bdb07e66381df2883d6f640c89605e482882c12b17", size = 12812, upload-time = "2024-07-10T13:42:16.918Z" },
+    { url = "https://files.pythonhosted.org/packages/ac/ba/c90076ab3fb22d43a31e2e53f56ffbaea25d524d8db3b38082779a562789/json_repair-0.61.2-py3-none-any.whl", hash = "sha256:779a0cdb48f609d6eb669273023cf4c92b5ac6d80a496eb919ee93c84c351ec8", size = 48977, upload-time = "2026-07-05T11:53:06.774Z" },
 ]
 
 [[package]]