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CVE-2026-6429netrc credential leak with reused proxy connection
- 5.3MediumCVSS base score
- 0.52%Exploitation in 30 daysEPSS · top 55% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
When asked to both use a `.netrc` file for credentials and to follow HTTP redirects, libcurl could leak the password used for the first host to the followed-to host under certain circumstances.
Timeline
ID reserved
By curl
- 27 days later
· 27 days later
Published
- 4 months later
· 4 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.52% · top 55% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
- affected 7.14.0 – < 8.14.2
- affected 8.15.0 – < 8.16.1
- affected 8.17.0 – < 8.20.0
- affected 01165e08e0d131b399fba2190f17af67e66f0888 – < b4024bf808bd558026fdc6096e8457f199ace306
- affected 8.19.0
- affected 8.18.0
- affected 8.17.0
- affected 8.16.0
- affected 8.15.0
- affected 8.14.1
- affected 8.14.0
- affected 8.13.0
- affected 8.12.1
- affected 8.12.0
- affected 8.11.1
- affected 8.11.0
- affected 8.10.1
- affected 8.10.0
- affected 8.9.1
- affected 8.9.0
- affected 8.8.0
- affected 8.7.1
- affected 8.7.0
- affected 8.6.0
- affected 8.5.0
- affected 8.4.0
- affected 8.3.0
- affected 8.2.1
- affected 8.2.0
- affected 8.1.2
- affected 8.1.1
- affected 8.1.0
- affected 8.0.1
- affected 8.0.0
- affected 7.88.1
- affected 7.88.0
- affected 7.87.0
- affected 7.86.0
- affected 7.85.0
- affected 7.84.0
- affected 7.83.1
- affected 7.83.0
- affected 7.82.0
- affected 7.81.0
- and 118 more
References
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-29930 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-6429)Record last updated .