← Back
CVE-2026-48850
low
CVSS 3.7
PuTTY 0.72 before 0.84 has a double free in RSA KEX.
Summary
PuTTY 0.72 before 0.84 has a double free in RSA KEX.
AI summary snake-internal / snake-template-v1
A weakness called CVE-2026-48850 was discovered in PuTTY 0.72 before 0.84 has a.
Severity is Low (CVSS 3.7/10). Real-world exploitation is unlikely but a fix is still recommended.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "PuTTY 0.72 before 0.84 has a CVE-2026-48850".
CVE-2026-48850 (PuTTY 0.72 before 0.84 has a). Severity: Low / CVSSv3 3.7. Category: CWE-415.
Response plan:
1. Check the vendor advisory for affected versions and the patched release.
2. If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
3. If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
4. Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
PoCs and fix commits: see the 'References' section, MITRE, and NVD.
❓ What is the problem
A weakness (CVE-2026-48850) in PuTTY 0.72 before 0.84 has a. A serious software flaw has been identified.
📍 Affected scope
Target versions of PuTTY 0.72 before 0.84 has a (see vendor advisory). If running in production, identify exposure immediately.
🔥 Severity
Severity: Low (CVSS 3.7/10). Real-world exploitation is unlikely but a fix is still recommended.
🔧 How to fix
Update to the patched release as listed in the vendor advisory. (Typical mitigation pattern for CWE-415)
🛡️ Workaround
If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.
🔍 Detection
Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.