Vulnerability database
Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.
4 results
May 16, 2026python jsonpickle 2.0.0 contains a remote code execution vulnerability that allows attackers to execute arbitrary Python commands by deserializing malicious JSOCVE-2021-47952 · Other software · Jsonpickle · reported by VulnCheckCritical 9.3
python jsonpickle 2.0.0 contains a remote code execution vulnerability that allows attackers to execute arbitrary Python commands by deserializing malicious JSON payloads containing py/repr objects. Attackers can craft JSON strings with py/repr directives that invoke the eval function during deserialization to execute arbitrary code.
- Product
- python jsonpickle
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgithub.comjsonpickle.github.io
Aug 7, 2025ERC (aka Emotion Recognition in Conversation) through 0.3 has insecure deserialization via a serialized object because jsonpickle is used.CVE-2025-55136 · Other software · tae898 · reported by MITREMedium 5.7
ERC (aka Emotion Recognition in Conversation) through 0.3 has insecure deserialization via a serialized object because jsonpickle is used.
- Product
- ERC
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jul 6, 2025A critical deserialization vulnerability exists in the run-llama/llama_index library's JsonPickleSerializer component, affecting versions v0.12.27 through v0.12CVE-2025-3108 · Other software · run-llama · reported by security@huntr.devHigh 7.5
A critical deserialization vulnerability exists in the run-llama/llama_index library's JsonPickleSerializer component, affecting versions v0.12.27 through v0.12.40. This vulnerability allows remote code execution due to an insecure fallback to Python's pickle module. JsonPickleSerializer prioritizes deserialization using pickle.loads(), which can execute arbitrary code when processing untrusted data. Attackers can exploit this by crafting malicious payloads to achieve full system compromise. The root cause includes an insecure fallback mechanism, lack of validation or safeguards, misleading design, and violation of Python security guidelines.
- Product
- run-llama/llama_index
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Dec 17, 2020jsonpickle through 1.4.1 allows remote code execution during deserialization of a malicious payload through the decode() function.CVE-2020-22083 · Other software · Jsonpickle Project · reported by MITRECritical 9.8
jsonpickle through 1.4.1 allows remote code execution during deserialization of a malicious payload through the decode() function. Note: It has been argued that this is expected and clearly documented behaviour. pickle is known to be capable of causing arbitrary code execution, and must not be used with un-trusted data
- Product
- Jsonpickle
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordaccess.redhat.comgist.github.com
Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.
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