CVE-2026-8932

Friday, July 03, 2026

N/A

Summary

libcurl would reuse a previously created connection even when some mTLS config related option had been changed that should have prohibited reuse.

libcurl keeps previously used connections in a connection pool for subsequent transfers to reuse if one of them matches the setup. However, some TLS settings related to client certificates were left out from the configuration match checks, making them match too easily. In particular options related to the private key.

Affected Software

Vendor	Product	Version Range	Status
curl	curl	`8.20.0 <= 8.20.0`	affected
curl	curl	`8.19.0 <= 8.19.0`	affected
curl	curl	`8.18.0 <= 8.18.0`	affected
curl	curl	`8.17.0 <= 8.17.0`	affected
curl	curl	`8.16.0 <= 8.16.0`	affected
curl	curl	`8.15.0 <= 8.15.0`	affected
curl	curl	`8.14.1 <= 8.14.1`	affected
curl	curl	`8.14.0 <= 8.14.0`	affected
curl	curl	`8.13.0 <= 8.13.0`	affected
curl	curl	`8.12.1 <= 8.12.1`	affected
curl	curl	`8.12.0 <= 8.12.0`	affected
curl	curl	`8.11.1 <= 8.11.1`	affected
curl	curl	`8.11.0 <= 8.11.0`	affected
curl	curl	`8.10.1 <= 8.10.1`	affected
curl	curl	`8.10.0 <= 8.10.0`	affected
curl	curl	`8.9.1 <= 8.9.1`	affected
curl	curl	`8.9.0 <= 8.9.0`	affected
curl	curl	`8.8.0 <= 8.8.0`	affected
curl	curl	`8.7.1 <= 8.7.1`	affected
curl	curl	`8.7.0 <= 8.7.0`	affected
curl	curl	`8.6.0 <= 8.6.0`	affected
curl	curl	`8.5.0 <= 8.5.0`	affected
curl	curl	`8.4.0 <= 8.4.0`	affected
curl	curl	`8.3.0 <= 8.3.0`	affected
curl	curl	`8.2.1 <= 8.2.1`	affected
curl	curl	`8.2.0 <= 8.2.0`	affected
curl	curl	`8.1.2 <= 8.1.2`	affected
curl	curl	`8.1.1 <= 8.1.1`	affected
curl	curl	`8.1.0 <= 8.1.0`	affected
curl	curl	`8.0.1 <= 8.0.1`	affected
curl	curl	`8.0.0 <= 8.0.0`	affected
curl	curl	`7.88.1 <= 7.88.1`	affected
curl	curl	`7.88.0 <= 7.88.0`	affected
curl	curl	`7.87.0 <= 7.87.0`	affected
curl	curl	`7.86.0 <= 7.86.0`	affected
curl	curl	`7.85.0 <= 7.85.0`	affected
curl	curl	`7.84.0 <= 7.84.0`	affected
curl	curl	`7.83.1 <= 7.83.1`	affected
curl	curl	`7.83.0 <= 7.83.0`	affected
curl	curl	`7.82.0 <= 7.82.0`	affected
curl	curl	`7.81.0 <= 7.81.0`	affected
curl	curl	`7.80.0 <= 7.80.0`	affected
curl	curl	`7.79.1 <= 7.79.1`	affected
curl	curl	`7.79.0 <= 7.79.0`	affected
curl	curl	`7.78.0 <= 7.78.0`	affected
curl	curl	`7.77.0 <= 7.77.0`	affected
curl	curl	`7.76.1 <= 7.76.1`	affected
curl	curl	`7.76.0 <= 7.76.0`	affected
curl	curl	`7.75.0 <= 7.75.0`	affected
curl	curl	`7.74.0 <= 7.74.0`	affected
curl	curl	`7.73.0 <= 7.73.0`	affected
curl	curl	`7.72.0 <= 7.72.0`	affected
curl	curl	`7.71.1 <= 7.71.1`	affected
curl	curl	`7.71.0 <= 7.71.0`	affected
curl	curl	`7.70.0 <= 7.70.0`	affected
curl	curl	`7.69.1 <= 7.69.1`	affected
curl	curl	`7.69.0 <= 7.69.0`	affected
curl	curl	`7.68.0 <= 7.68.0`	affected
curl	curl	`7.67.0 <= 7.67.0`	affected
curl	curl	`7.66.0 <= 7.66.0`	affected
curl	curl	`7.65.3 <= 7.65.3`	affected
curl	curl	`7.65.2 <= 7.65.2`	affected
curl	curl	`7.65.1 <= 7.65.1`	affected
curl	curl	`7.65.0 <= 7.65.0`	affected
curl	curl	`7.64.1 <= 7.64.1`	affected
curl	curl	`7.64.0 <= 7.64.0`	affected
curl	curl	`7.63.0 <= 7.63.0`	affected
curl	curl	`7.62.0 <= 7.62.0`	affected
curl	curl	`7.61.1 <= 7.61.1`	affected
curl	curl	`7.61.0 <= 7.61.0`	affected
curl	curl	`7.60.0 <= 7.60.0`	affected
curl	curl	`7.59.0 <= 7.59.0`	affected
curl	curl	`7.58.0 <= 7.58.0`	affected
curl	curl	`7.57.0 <= 7.57.0`	affected
curl	curl	`7.56.1 <= 7.56.1`	affected
curl	curl	`7.56.0 <= 7.56.0`	affected
curl	curl	`7.55.1 <= 7.55.1`	affected
curl	curl	`7.55.0 <= 7.55.0`	affected
curl	curl	`7.54.1 <= 7.54.1`	affected
curl	curl	`7.54.0 <= 7.54.0`	affected
curl	curl	`7.53.1 <= 7.53.1`	affected
curl	curl	`7.53.0 <= 7.53.0`	affected
curl	curl	`7.52.1 <= 7.52.1`	affected
curl	curl	`7.52.0 <= 7.52.0`	affected
curl	curl	`7.51.0 <= 7.51.0`	affected
curl	curl	`7.50.3 <= 7.50.3`	affected
curl	curl	`7.50.2 <= 7.50.2`	affected
curl	curl	`7.50.1 <= 7.50.1`	affected
curl	curl	`7.50.0 <= 7.50.0`	affected
curl	curl	`7.49.1 <= 7.49.1`	affected
curl	curl	`7.49.0 <= 7.49.0`	affected
curl	curl	`7.48.0 <= 7.48.0`	affected
curl	curl	`7.47.1 <= 7.47.1`	affected
curl	curl	`7.47.0 <= 7.47.0`	affected
curl	curl	`7.46.0 <= 7.46.0`	affected
curl	curl	`7.45.0 <= 7.45.0`	affected
curl	curl	`7.44.0 <= 7.44.0`	affected
curl	curl	`7.43.0 <= 7.43.0`	affected
curl	curl	`7.42.1 <= 7.42.1`	affected
curl	curl	`7.42.0 <= 7.42.0`	affected
curl	curl	`7.41.0 <= 7.41.0`	affected
curl	curl	`7.40.0 <= 7.40.0`	affected
curl	curl	`7.39.0 <= 7.39.0`	affected
curl	curl	`7.38.0 <= 7.38.0`	affected
curl	curl	`7.37.1 <= 7.37.1`	affected
curl	curl	`7.37.0 <= 7.37.0`	affected
curl	curl	`7.36.0 <= 7.36.0`	affected
curl	curl	`7.35.0 <= 7.35.0`	affected
curl	curl	`7.34.0 <= 7.34.0`	affected
curl	curl	`7.33.0 <= 7.33.0`	affected
curl	curl	`7.32.0 <= 7.32.0`	affected
curl	curl	`7.31.0 <= 7.31.0`	affected
curl	curl	`7.30.0 <= 7.30.0`	affected
curl	curl	`7.29.0 <= 7.29.0`	affected
curl	curl	`7.28.1 <= 7.28.1`	affected
curl	curl	`7.28.0 <= 7.28.0`	affected
curl	curl	`7.27.0 <= 7.27.0`	affected
curl	curl	`7.26.0 <= 7.26.0`	affected
curl	curl	`7.25.0 <= 7.25.0`	affected
curl	curl	`7.24.0 <= 7.24.0`	affected
curl	curl	`7.23.1 <= 7.23.1`	affected
curl	curl	`7.23.0 <= 7.23.0`	affected
curl	curl	`7.22.0 <= 7.22.0`	affected
curl	curl	`7.21.7 <= 7.21.7`	affected
curl	curl	`7.21.6 <= 7.21.6`	affected
curl	curl	`7.21.5 <= 7.21.5`	affected
curl	curl	`7.21.4 <= 7.21.4`	affected
curl	curl	`7.21.3 <= 7.21.3`	affected
curl	curl	`7.21.2 <= 7.21.2`	affected
curl	curl	`7.21.1 <= 7.21.1`	affected
curl	curl	`7.21.0 <= 7.21.0`	affected
curl	curl	`7.20.1 <= 7.20.1`	affected
curl	curl	`7.20.0 <= 7.20.0`	affected
curl	curl	`7.19.7 <= 7.19.7`	affected
curl	curl	`7.19.6 <= 7.19.6`	affected
curl	curl	`7.19.5 <= 7.19.5`	affected
curl	curl	`7.19.4 <= 7.19.4`	affected
curl	curl	`7.19.3 <= 7.19.3`	affected
curl	curl	`7.19.2 <= 7.19.2`	affected
curl	curl	`7.19.1 <= 7.19.1`	affected
curl	curl	`7.19.0 <= 7.19.0`	affected
curl	curl	`7.18.2 <= 7.18.2`	affected
curl	curl	`7.18.1 <= 7.18.1`	affected
curl	curl	`7.18.0 <= 7.18.0`	affected
curl	curl	`7.17.1 <= 7.17.1`	affected
curl	curl	`7.17.0 <= 7.17.0`	affected
curl	curl	`7.16.4 <= 7.16.4`	affected
curl	curl	`7.16.3 <= 7.16.3`	affected
curl	curl	`7.16.2 <= 7.16.2`	affected
curl	curl	`7.16.1 <= 7.16.1`	affected
curl	curl	`7.16.0 <= 7.16.0`	affected
curl	curl	`7.15.5 <= 7.15.5`	affected
curl	curl	`7.15.4 <= 7.15.4`	affected
curl	curl	`7.15.3 <= 7.15.3`	affected
curl	curl	`7.15.2 <= 7.15.2`	affected
curl	curl	`7.15.1 <= 7.15.1`	affected
curl	curl	`7.15.0 <= 7.15.0`	affected
curl	curl	`7.14.1 <= 7.14.1`	affected
curl	curl	`7.14.0 <= 7.14.0`	affected
curl	curl	`7.13.2 <= 7.13.2`	affected
curl	curl	`7.13.1 <= 7.13.1`	affected
curl	curl	`7.13.0 <= 7.13.0`	affected
curl	curl	`7.12.3 <= 7.12.3`	affected
curl	curl	`7.12.2 <= 7.12.2`	affected
curl	curl	`7.12.1 <= 7.12.1`	affected
curl	curl	`7.12.0 <= 7.12.0`	affected
curl	curl	`7.11.2 <= 7.11.2`	affected
curl	curl	`7.11.1 <= 7.11.1`	affected
curl	curl	`7.11.0 <= 7.11.0`	affected
curl	curl	`7.10.8 <= 7.10.8`	affected
curl	curl	`7.10.7 <= 7.10.7`	affected
curl	curl	`7.10.6 <= 7.10.6`	affected
curl	curl	`7.10.5 <= 7.10.5`	affected
curl	curl	`7.10.4 <= 7.10.4`	affected
curl	curl	`7.10.3 <= 7.10.3`	affected
curl	curl	`7.10.2 <= 7.10.2`	affected
curl	curl	`7.10.1 <= 7.10.1`	affected
curl	curl	`7.10 <= 7.10`	affected
curl	curl	`7.9.8 <= 7.9.8`	affected
curl	curl	`7.9.7 <= 7.9.7`	affected
curl	curl	`7.9.6 <= 7.9.6`	affected
curl	curl	`7.9.5 <= 7.9.5`	affected
curl	curl	`7.9.4 <= 7.9.4`	affected
curl	curl	`7.9.3 <= 7.9.3`	affected
curl	curl	`7.9.2 <= 7.9.2`	affected
curl	curl	`7.9.1 <= 7.9.1`	affected
curl	curl	`7.9 <= 7.9`	affected
curl	curl	`7.8.1 <= 7.8.1`	affected
curl	curl	`7.8 <= 7.8`	affected
curl	curl	`7.7.3 <= 7.7.3`	affected
curl	curl	`7.7.2 <= 7.7.2`	affected
curl	curl	`7.7.1 <= 7.7.1`	affected
curl	curl	`7.7 <= 7.7`	affected

Weaknesses

CWE-305 Authentication Bypass by Primary Weakness

References

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