CVE Tools

Cesanta

99 CVEs tracked since 2018. Since Oct 2018, none of them reached CISA KEV.

Cesanta CVEs per month

Oct 2018 to Aug 2026. Point at a month, or focus the strip and use the arrow keys.
Cesanta CVEs per month, with the share now in CISA KEV
MonthCVEsIn CISA KEV
2018-1020
2018-11null or fewer
2018-12null or fewer
2019-01null or fewer
2019-02null or fewer
2019-03null or fewer
2019-04null or fewer
2019-05null or fewer
2019-06null or fewer
2019-07null or fewer
2019-08null or fewer
2019-09null or fewer
2019-10null or fewer
2019-11null or fewer
2019-12null or fewer
2020-01null or fewer
2020-02null or fewer
2020-03null or fewer
2020-04null or fewer
2020-05null or fewer
2020-06null or fewer
2020-07null or fewer
2020-08null or fewer
2020-09null or fewer
2020-10null or fewer
2020-11null or fewer
2020-12null or fewer
2021-01null or fewer
2021-0230
2021-03null or fewer
2021-04null or fewer
2021-05110
2021-06null or fewer
2021-07null or fewer
2021-08null or fewer
2021-09null or fewer
2021-10null or fewer
2021-11null or fewer
2021-12null or fewer
2022-01440
2022-02null or fewer
2022-03null or fewer
2022-04null or fewer
2022-05null or fewer
2022-06null or fewer
2022-07130
2022-08null or fewer
2022-09null or fewer
2022-10null or fewer
2022-11null or fewer
2022-12null or fewer
2023-01null or fewer
2023-02null or fewer
2023-03null or fewer
2023-0430
2023-05null or fewer
2023-06null or fewer
2023-07null or fewer
2023-08null or fewer
2023-09null or fewer
2023-10null or fewer
2023-11null or fewer
2023-12null or fewer
2024-0150
2024-02null or fewer
2024-03null or fewer
2024-04null or fewer
2024-05null or fewer
2024-06null or fewer
2024-07null or fewer
2024-08null or fewer
2024-09null or fewer
2024-10null or fewer
2024-11100
2024-12null or fewer
2025-01null or fewer
2025-02null or fewer
2025-03null or fewer
2025-04null or fewer
2025-05null or fewer
2025-06null or fewer
2025-07null or fewer
2025-08null or fewer
2025-09null or fewer
2025-10null or fewer
2025-11null or fewer
2025-12null or fewer
2026-01null or fewer
2026-02null or fewer
2026-03null or fewer
2026-04null or fewer
2026-05null or fewer
2026-06null or fewer
2026-07null or fewer
2026-0880

Products

The products that kept showing up in Cesanta's monthly top three, with their CVEs summed over those months.

  1. Mjs765 months
  2. Mongoose234 months
  3. Mongoose Web Server101 month

Latest CVEs

The 15 most recently published vulnerabilities affecting Cesanta.

  1. CVE-2026-86716Cesanta mJS mjs_tok.c skip_spaces_and_comments heap-based overflow7.3
  2. CVE-2026-73253Mongoose: TLS Hostname Verification Bypass via Overly Permissive Wildcard Matching—
  3. CVE-2026-73255Mongoose: Path traversal in SSI #include directives enables arbitrary file read6.5
  4. CVE-2026-73259Mongoose: Reflected XSS via decoded URI in directory listing render5.4
  5. CVE-2026-73256Mongoose: HTTP/1.0 detection off-by-one enables request smuggling via chunked TE9.1
  6. CVE-2026-73254Mongoose: Stored XSS via unescaped filenames in directory listing5.4
  7. CVE-2026-73258Mongoose: Multipart boundary/header scan logic error in mg_http_next_multipart6.5
  8. CVE-2026-73251Mongoose Built-in TLS: CA-bundle certificate chain accepted without any signature verification—
  9. CVE-2026-73257Mongoose: Content-Length + Transfer-Encoding coexistence enables request smuggling9.1
  10. CVE-2026-11404Cesanta Mongoose Out-of-Bounds Read in MG_TLS_BUILTIN ClientHello Session ID Parsing7.5
  11. CVE-2026-6986Cesanta Mongoose GCM Authentication Tag tls_aes128.c mg_aes_gcm_decrypt signature verification3.7
  12. CVE-2026-6985Cesanta Mongoose TCP Option net_builtin.c handle_opt infinite loop5.3
  13. CVE-2026-5246Cesanta Mongoose P-384 Public Key mongoose.c mg_tls_verify_cert_signature authorization5.6
  14. CVE-2026-5245Cesanta Mongoose mDNS Record mongoose.c handle_mdns_record stack-based overflow5.6
  15. CVE-2026-5244Cesanta Mongoose TLS 1.3 mongoose.c mg_tls_recv_cert heap-based overflow7.3

The record

Peak rank
#24 in Jan 2022
Busiest month shown
Jan 2022, 44 CVEs
Months with a KEV entry
0 since Oct 2018
Monthly snapshots
9 since 2018
Cesanta's full record, month by month

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