7.1

CVE-2026-49396: Nezha Monitoring: Cross-site GET request can trigger stored cron commands on a victim's agents

Deferred
AliasesGHSA-8qhj-4f8c-j8qgGO-2026-5261
Published 12-06-2026Last modified 13-06-2026

Vulnerability summary

CVE-2026-49396 is a high (CVSS 7.1) Cross-Site Request Forgery (CSRF) vulnerability in nezhahq nezha. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.6% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.17%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 12-06-2026
    PublishedVulnerability first disclosed.
  2. 13-06-2026
    Last modifiedVulnerability information updated.

Description

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.0.0 to before version 2.0.14, cross-site GET request can trigger stored cron commands on a victim's agents. This issue has been patched in version 2.0.14.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

Increase +0.04 pp

From 0.12% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Github.com/nezhahq1 product
  • nezha≥ 1.0.0, < 2.0.14 | ≥ 1.0.0 (No fix recorded)
Nezhahq1 product

2 vendors · 2 products

References

3 links