That CLA grants HashiCorp full license over your Copyright, and explicitly allows them to sublicense your contributions[1]. Drew Devault's blog posts[2][3] on this topic are extremely relevant.
[1] > Grant of Copyright License. Subject to the terms and conditions of this Agreement, You hereby grant to HashiCorp and to recipients of software distributed by HashiCorp a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Your Contributions and such derivative works.
That CLA grants HashiCorp full license over your Copyright, and explicitly allows them to sublicense your contributions[1]. Drew Devault's blog posts[2][3] on this topic are extremely relevant.
[1] > Grant of Copyright License. Subject to the terms and conditions of this Agreement, You hereby grant to HashiCorp and to recipients of software distributed by HashiCorp a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Your Contributions and such derivative works.
[2] https://drewdevault.com/2018/10/05/Dont-sign-a-CLA.html
[3] https://drewdevault.com/2023/07/04/Dont-sign-a-CLA-2.html