Known Vulnerabilities for Mongoose by Cesanta

Listed below are 10 of the newest known vulnerabilities associated with "Mongoose" by "Cesanta".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-6986 json A security vulnerability has been detected in Cesanta Mongoose up to 7.20. This issue affects the function mg_aes_gcm_decrypt... Not Provided 2026-04-25 2026-04-25
CVE-2026-6985 json A weakness has been identified in Cesanta Mongoose up to 7.20. This vulnerability affects the function handle_opt of the file... Not Provided 2026-04-25 2026-04-25
CVE-2026-5246 json A vulnerability was determined in Cesanta Mongoose up to 7.20. Affected is the function mg_tls_verify_cert_signature of the f... Not Provided 2026-04-02 2026-04-02
CVE-2026-5245 json A vulnerability was found in Cesanta Mongoose up to 7.20. This impacts the function handle_mdns_record of the file mongoose.c... Not Provided 2026-04-02 2026-04-02
CVE-2026-5244 json A vulnerability has been found in Cesanta Mongoose up to 7.20. This affects the function mg_tls_recv_cert of the file mongoos... Not Provided 2026-04-02 2026-04-02
CVE-2023-34188 json The HTTP server in Mongoose before 7.10 accepts requests containing negative Content-Length headers. By sending a single atta... 7.5 - HIGH 2023-06-23 2023-09-06
CVE-2023-2905 json Due to a failure in validating the length of a provided MQTT_CMD_PUBLISH parsed message with a variable length header, Cesan... 8.8 - HIGH 2023-08-09 2023-08-16
CVE-2022-25299 json This affects the package cesanta/mongoose before 7.6. The unsafe handling of file names during upload using mg_http_upload() ... 7.5 - HIGH 2022-02-18 2022-02-28
CVE-2021-26530 json The mg_tls_init function in Cesanta Mongoose HTTPS server 7.0 (compiled with OpenSSL support) is vulnerable to remote OOB wri... 9.1 - CRITICAL 2021-02-08 2021-02-12
CVE-2021-26529 json The mg_tls_init function in Cesanta Mongoose HTTPS server 7.0 and 6.7-6.18 (compiled with mbedTLS support) is vulnerable to r... 9.1 - CRITICAL 2021-02-08 2021-02-12
Results limited to 10 most recent vulnerabilities

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationCesantaMongoose7.1
ApplicationCesantaMongoose7.0
ApplicationCesantaMongoose6.9
ApplicationCesantaMongoose6.8
ApplicationCesantaMongoose6.7
ApplicationCesantaMongoose6.6
ApplicationCesantaMongoose6.5
ApplicationCesantaMongoose6.4
ApplicationCesantaMongoose6.3
ApplicationCesantaMongoose6.2
ApplicationCesantaMongoose6.18
ApplicationCesantaMongoose6.17
ApplicationCesantaMongoose6.16
ApplicationCesantaMongoose6.15
ApplicationCesantaMongoose6.14
ApplicationCesantaMongoose6.13
ApplicationCesantaMongoose6.12
ApplicationCesantaMongoose6.11
ApplicationCesantaMongoose6.10
ApplicationCesantaMongoose6.1
Results limited to 20 most recent known configurations
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