Common Weakness Enumeration
CWE-502
AllowedDeserialization of Untrusted Data
Abstraction: Base · Status: Draft
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
4794 vulnerabilities reference this CWE, most recent first.
CVE-2026-49108 (GCVE-0-2026-49108)
Vulnerability from cvelistv5 – Published: 2026-06-17 12:47 – Updated: 2026-06-17 14:02
VLAI
EPSS
VEX
Title
WordPress Moderno theme < 1.43 - PHP Object Injection vulnerability
Summary
Unauthenticated PHP Object Injection in Moderno < 1.43 versions.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/theme/m… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| park_of_ideas | Moderno |
Affected:
n/a , < 1.43
(custom)
|
Credits
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CVE-2026-49107 (GCVE-0-2026-49107)
Vulnerability from cvelistv5 – Published: 2026-06-17 09:51 – Updated: 2026-06-17 15:34
VLAI
EPSS
VEX
Title
WordPress Thrive Apprentice plugin < 10.8.10.2 - PHP Object Injection vulnerability
Summary
Unauthenticated PHP Object Injection in Thrive Apprentice < 10.8.10.2 versions.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Thrive Themes | Thrive Apprentice |
Affected:
n/a , < 10.8.10.2
(custom)
|
Credits
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CVE-2026-49106 (GCVE-0-2026-49106)
Vulnerability from cvelistv5 – Published: 2026-06-15 20:19 – Updated: 2026-06-16 12:22
VLAI
EPSS
VEX
Title
WordPress Integration for Contact Form 7 and Constant Contact plugin <= 1.1.6 - PHP Object Injection vulnerability
Summary
Unauthenticated PHP Object Injection in Integration for Contact Form 7 and Constant Contact <= 1.1.6 versions.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CRM Perks | Integration for Contact Form 7 and Constant Contact |
Affected:
n/a , ≤ 1.1.6
(custom)
|
Credits
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CVE-2026-49105 (GCVE-0-2026-49105)
Vulnerability from cvelistv5 – Published: 2026-06-15 20:19 – Updated: 2026-06-15 21:38
VLAI
EPSS
VEX
Title
WordPress WP Zendesk for Contact Form 7, WPForms, Elementor, Formidable and Ninja Forms plugin <= 1.1.4 - PHP Object Injection vulnerability
Summary
Unauthenticated PHP Object Injection in WP Zendesk for Contact Form 7, WPForms, Elementor, Formidable and Ninja Forms <= 1.1.4 versions.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CRM Perks | WP Zendesk for Contact Form 7, WPForms, Elementor, Formidable and Ninja Forms |
Affected:
n/a , ≤ 1.1.4
(custom)
|
Credits
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CVE-2026-49104 (GCVE-0-2026-49104)
Vulnerability from cvelistv5 – Published: 2026-06-15 20:19 – Updated: 2026-06-16 12:53
VLAI
EPSS
VEX
Title
WordPress Integration for Keap/infusionsoft and Contact Form 7, WPForms, Elementor, Formidable, Ninja Forms plugin <= 1.2.1 - PHP Object Injection vulnerability
Summary
Unauthenticated PHP Object Injection in Integration for Keap/infusionsoft and Contact Form 7, WPForms, Elementor, Formidable, Ninja Forms <= 1.2.1 versions.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CRM Perks | Integration for Keap/infusionsoft and Contact Form 7, WPForms, Elementor, Formidable, Ninja Forms |
Affected:
n/a , ≤ 1.2.1
(custom)
|
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CVE-2026-49085 (GCVE-0-2026-49085)
Vulnerability from cvelistv5 – Published: 2026-06-15 20:19 – Updated: 2026-06-16 01:18
VLAI
EPSS
VEX
Title
WordPress WP Insightly for Contact Form 7, WPForms, Elementor, Formidable and Ninja Forms plugin <= 1.1.4 - PHP Object Injection vulnerability
Summary
Unauthenticated PHP Object Injection in WP Insightly for Contact Form 7, WPForms, Elementor, Formidable and Ninja Forms <= 1.1.4 versions.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| CRM Perks | WP Insightly for Contact Form 7, WPForms, Elementor, Formidable and Ninja Forms |
Affected:
n/a , ≤ 1.1.4
(custom)
|
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CVE-2026-49075 (GCVE-0-2026-49075)
Vulnerability from cvelistv5 – Published: 2026-06-17 09:51 – Updated: 2026-06-17 12:22
VLAI
EPSS
VEX
Title
WordPress JetEngine plugin <= 3.8.9.1 - PHP Object Injection vulnerability
Summary
Contributor PHP Object Injection in JetEngine <= 3.8.9.1 versions.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Jetimpex Inc. | JetEngine |
Affected:
n/a , ≤ 3.8.9.1
(custom)
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CVE-2026-48909 (GCVE-0-2026-48909)
Vulnerability from cvelistv5 – Published: 2026-06-20 11:56 – Updated: 2026-06-23 05:52
VLAI
EPSS
VEX
Title
Joomla Extension - joomshaper.com - PHP Object injection in SP LMS extension for Joomla < 4.1.4
Summary
SP LMS (com_splms) < 4.1.4 by JoomShaper deserializes user-controlled cookie data without validation, enabling an unauthenticated remote attacker to execute arbitrary code on the server.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-502 - Deserialization of Untrusted Data
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.joomshaper.com/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| joomshaper.net | SP LMS extension for Joomla |
Affected:
1.0.0-4.1.3
|
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CVE-2026-48853 (GCVE-0-2026-48853)
Vulnerability from cvelistv5 – Published: 2026-06-15 21:56 – Updated: 2026-06-17 04:47
VLAI
EPSS
VEX
Title
Remote code execution and denial of service via unsafe Erlang term deserialization in elixir-grpc/grpc
Summary
Deserialization of Untrusted Data and Allocation of Resources Without Limits or Throttling vulnerabilities in elixir-grpc grpc allow unauthenticated attackers to crash the BEAM node via atom table exhaustion and, when a decoded term flows into a call site that invokes it, achieve remote code execution on the server.
'Elixir.GRPC.Codec.Erlpack':decode/2 (lib/grpc/codec/erlpack.ex) calls :erlang.binary_to_term/1 on the raw gRPC message body without the :safe option, no size bound, and no type guard. Any unauthenticated peer that sends a request with Content-Type: application/grpc+erlpack can send a crafted payload that mints arbitrary new atoms (which are never garbage-collected, exhausting the bounded atom table and crashing the VM) or that encodes a fun term which, if applied anywhere downstream, executes attacker-controlled code inside the server process.
This issue affects grpc from 0.4.0 before 1.0.0.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/elixir-grpc/grpc/security/advi… | vendor-advisoryrelated |
| https://cna.erlef.org/cves/CVE-2026-48853.html | related |
| https://osv.dev/vulnerability/EEF-CVE-2026-48853 | related |
| https://github.com/elixir-grpc/grpc/commit/272a97… | patch |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| elixir-grpc | grpc |
Affected:
0.4.0 , < 1.0.0
(semver)
cpe:2.3:a:elixir-grpc:grpc:*:*:*:*:*:*:*:* |
|
| elixir-grpc | grpc |
Affected:
25bcc569fe2cc4478531a6c546c923205fc751c9 , < 272a97a5ea1b46af1819f14a831fcf35fc91f992
(git)
cpe:2.3:a:elixir-grpc:grpc:*:*:*:*:*:*:*:* |
Credits
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CVE-2026-48775 (GCVE-0-2026-48775)
Vulnerability from cvelistv5 – Published: 2026-06-16 17:53 – Updated: 2026-06-16 18:42
VLAI
EPSS
VEX
Title
LangGraph Checkpoint: Unsafe JSON deserialization in checkpoint loading
Summary
LangGraph SQLite Checkpoint is an implementation of LangGraph CheckpointSaver that uses SQLite DB (both sync and async, via aiosqlite). In versions 4.1.0 and prior, the JsonPlusSerializer can reconstruct Python objects from JSON checkpoint payloads. Under conditions where someone could modify checkpoint bytes at rest in the backing store, the deserialization path could reconstruct objects beyond what the application expects, which could in turn result in code execution at checkpoint load time. This is a defense-in-depth issue. The affected behavior is reachable only when checkpoint bytes at rest in the backing store can be modified by an unauthorized party. In most deployments that prerequisite already implies a serious incident; the additional concern is turning "checkpoint-store write access" into code execution in the application runtime. This issue has been fixed in version 4.1.1.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/langchain-ai/langgraph/securit… | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| langchain-ai | langgraph |
Affected:
< 1.2.2
|
|
| langchain-ai | langraph-checkpoint |
Affected:
< 4.1.1
|
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Mitigation
Architecture and Design
Implementation
If available, use the signing/sealing features of the programming language to assure that deserialized data has not been tainted. For example, a hash-based message authentication code (HMAC) could be used to ensure that data has not been modified.
Mitigation
Implementation
When deserializing data, populate a new object rather than just deserializing. The result is that the data flows through safe input validation and that the functions are safe.
Mitigation
Implementation
Explicitly define a final object() to prevent deserialization.
Mitigation
Architecture and Design
Implementation
- Make fields transient to protect them from deserialization.
- An attempt to serialize and then deserialize a class containing transient fields will result in NULLs where the transient data should be. This is an excellent way to prevent time, environment-based, or sensitive variables from being carried over and used improperly.
Mitigation
Implementation
Avoid having unnecessary types or gadgets (a sequence of instances and method invocations that can self-execute during the deserialization process, often found in libraries) available that can be leveraged for malicious ends. This limits the potential for unintended or unauthorized types and gadgets to be leveraged by the attacker. Add only acceptable classes to an allowlist. Note: new gadgets are constantly being discovered, so this alone is not a sufficient mitigation.
Mitigation
Architecture and Design
Implementation
Employ cryptography of the data or code for protection. However, it's important to note that it would still be client-side security. This is risky because if the client is compromised then the security implemented on the client (the cryptography) can be bypassed.
Mitigation MIT-29
Operation
Strategy: Firewall
Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
CAPEC-586: Object Injection
An adversary attempts to exploit an application by injecting additional, malicious content during its processing of serialized objects. Developers leverage serialization in order to convert data or state into a static, binary format for saving to disk or transferring over a network. These objects are then deserialized when needed to recover the data/state. By injecting a malformed object into a vulnerable application, an adversary can potentially compromise the application by manipulating the deserialization process. This can result in a number of unwanted outcomes, including remote code execution.