CVE-2026-2968
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Cesanta Mongoose Poly1305 Authentication Tag tls_chacha20.c mg_chacha20_poly1305_decrypt signature verification
A vulnerability was detected in Cesanta Mongoose up to 7.20. This impacts the function mg_chacha20_poly1305_decrypt of the file /src/tls_chacha20.c of the component Poly1305 Authentication Tag Handler. The manipulation results in improper verification of cryptographic signature. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is said to be difficult. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Mongoose
- Vendor
- Cesanta
- Product
- Mongoose
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 7.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.12 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.13 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.15 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.16 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.17 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.18 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.19 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.20 | affected | Unavailable | Unavailable | Unavailable | None listed |