CVE-2026-31983: A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint. An unauthenticated attacker can send a request to the SSH keys synchronization endpo
A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint. An unauthenticated attacker can send a request to the SSH keys synchronization endpoint and obtain the list of users that have uploaded their public SSH keys, their groups, and the uploaded public SSH keys.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-31983
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-319830.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-31983 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for A Missing Authentication
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-40006: Memory Allocation with Excessive Size Value, Allocation of Resources Without Limits or Throttl…nvd · 2026-07-10
- mediumCVE-2026-33802: A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS on EX Series all…nvd · 2026-07-09
- mediumCVE-2026-59804: Midscene Bridge Server through 1.10.3, fixed in commit 86f4118, contains a missing authenticat…nvd · 2026-07-08
- highCVE-2026-56002: A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.…nvd · 2026-07-08
- criticalGHSA-pw9m-5jxm-xr6h: Better Auth: OAuth refresh-token replay via missing client authentication on oidc-provide…ghsa · 2026-07-07
- criticalCVE-2026-13019: Esri Portal for ArcGIS versions 12.1 and earlier on Windows, Linux and Kubernetes have a missi…nvd · 2026-07-07
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