CVE-2026-19552
ssl.get_server_certificate(addr, ca_certs=...) verifies the chain but never the identity
Description
When ca_certs parameter was supplied to ssl.get_server_certificate() function, the identity of the certificate is not checked.
INFO
Published Date :
Nov. 9, 2026, 2:15 p.m.
Last Modified :
Nov. 9, 2026, 2:15 p.m.
Remotely Exploit :
Yes !
Source :
PSF
Affected Products
The following products are affected by CVE-2026-19552
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | NONE | 28c92f92-d60d-412d-b760-e73465c3df22 |
Solution
- Validate certificate identity when using ca_certs.
- Update the ssl library to a secure version.
- Apply necessary security patches.
- Review certificate validation logic.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-19552 vulnerability anywhere in the article.