CVE-2026-48852
PuTTY ECDSA Signature Verification Assertion Failure
Description
PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification.
INFO
Published Date :
May 25, 2026, 8:19 p.m.
Last Modified :
May 25, 2026, 8:19 p.m.
Remotely Exploit :
Yes !
Source :
mitre
Affected Products
The following products are affected by CVE-2026-48852
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.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | LOW | 8254265b-2729-46b6-b9e3-3dfca2d5bfca |
Solution
- Update PuTTY to version 0.84 or later.
- Verify the ECDSA signature verification is functioning correctly.
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-2026-48852 vulnerability anywhere in the article.