CVE-2026-45740

high

Published 2026-05-13 · Modified 2026-05-19

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.5

Description

protobufjs: Denial of Service via unbounded recursive JSON descriptor expansion

Predictions

Exploit likelihood

83%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	protobufjs	`<7.5.8`	`7.5.8`
npm	protobufjs	`>=8.0.0,<8.2.0`	`8.2.0`
NPM	protobufjs	`>= 8.0.0, < 8.2.0`	`8.2.0`
NPM	protobufjs	`<= 7.5.7`	`7.5.8`

Application impact

Vendor	Product	Versions	Fixed
protobufjs_project	protobufjs	`{"endExcluding":"7.5.8"}`	`7.5.8`

References

CWEs

CWE-674

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.