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01 Record

CVE-2026-87866

wolfSSL public-key pinning bypass

UnratedPUBLISHEDCNA: curl
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

wolfSSL public-key pinning bypass

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.20% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 10.8% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-10-22.
Red Hat severity
Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-20 20:16Z8 DAYS AGO
Last updated
2026-10-20 20:16Z8 DAYS AGO
Reserved
2026-09-09
Assigning CNA
curl
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-295Improper Certificate ValidationBase
Data version
5.2
Document digest
83102cc39902a790f1f2798708ec27ae3bcaba0a5f0805226c1b53c393dd8a8c

05 Affected products

VendorProductVersionsPlatforms
curlcurl8.22.0 to 8.22.0, 8.21.0 to 8.21.0, 8.20.0 to 8.20.0, 8.19.0 to 8.19.0, 8.18.0 to 8.18.0, 8.17.0 to 8.17.0, 8.16.0 to 8.16.0, 8.15.0 to 8.15.0, 8.14.1 to 8.14.1, 8.14.0 to 8.14.0, 8.13.0 to 8.13.0, 8.12.1 to 8.12.1, 8.12.0 to 8.12.0, 8.11.1 to 8.11.1, 8.11.0 to 8.11.0, 8.10.1 to 8.10.1, 8.10.0 to 8.10.0, 8.9.1 to 8.9.1, 8.9.0 to 8.9.0, 8.8.0 to 8.8.0, 8.7.1 to 8.7.1, 8.7.0 to 8.7.0, 8.6.0 to 8.6.0, 8.5.0 to 8.5.0, 8.4.0 to 8.4.0, 8.3.0 to 8.3.0, 8.2.1 to 8.2.1, 8.2.0 to 8.2.0, 8.1.2 to 8.1.2, 8.1.1 to 8.1.1, 8.1.0 to 8.1.0, 8.0.1 to 8.0.1, 8.0.0 to 8.0.0, 7.88.1 to 7.88.1, 7.88.0 to 7.88.0, 7.87.0 to 7.87.0, 7.86.0 to 7.86.0, 7.85.0 to 7.85.0, 7.84.0 to 7.84.0, 7.83.1 to 7.83.1, 7.83.0 to 7.83.0, 7.82.0 to 7.82.0, 7.81.0 to 7.81.0, 7.80.0 to 7.80.0, 7.79.1 to 7.79.1, 7.79.0 to 7.79.0, 7.78.0 to 7.78.0, 7.77.0 to 7.77.0, 7.76.1 to 7.76.1, 7.76.0 to 7.76.0, 7.75.0 to 7.75.0, 7.74.0 to 7.74.0, 7.73.0 to 7.73.0, 7.72.0 to 7.72.0, 7.71.1 to 7.71.1, 7.71.0 to 7.71.0, 7.70.0 to 7.70.0, 7.69.1 to 7.69.1, 7.69.0 to 7.69.0, 7.68.0 to 7.68.0, 7.67.0 to 7.67.0, 7.66.0 to 7.66.0, 7.65.3 to 7.65.3, 7.65.2 to 7.65.2, 7.65.1 to 7.65.1, 7.65.0 to 7.65.0, 7.64.1 to 7.64.1, 7.64.0 to 7.64.0, 7.63.0 to 7.63.0, 7.62.0 to 7.62.0, 7.61.1 to 7.61.1, 7.61.0 to 7.61.0, 7.60.0 to 7.60.0, 7.59.0 to 7.59.0, 7.58.0 to 7.58.0, 7.57.0 to 7.57.0, 7.56.1 to 7.56.1, 7.56.0 to 7.56.0, 7.55.1 to 7.55.1, 7.55.0 to 7.55.0, 7.54.1 to 7.54.1, 7.54.0 to 7.54.0, 7.53.1 to 7.53.1, 7.53.0 to 7.53.0, 7.52.1 to 7.52.1, 7.52.0 to 7.52.0, 7.51.0 to 7.51.0, 7.50.3 to 7.50.3, 7.50.2 to 7.50.2, 7.50.1 to 7.50.1, 7.50.0 to 7.50.0, 7.49.1 to 7.49.1, 7.49.0 to 7.49.0, 7.48.0 to 7.48.0, 7.47.1 to 7.47.1, 7.47.0 to 7.47.0, 7.46.0 to 7.46.0, 7.45.0 to 7.45.0, 7.44.0 to 7.44.0, 7.43.0 to 7.43.0—

06 References

07 Fixed in

Debian 12

  • curl
    No fix yet

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • curl
    No fix yet

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • curl
    No fix yet

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.