CVE-2019-10686: An SSRF vulnerability was found in an API from Ctrip Apollo through 1.4.0-SNAPSHOT

Q: How do I fix CVE-2019-10686?

apollo: upgrade to newer than 1.3.0. Exact commands for each OS are on this page.

Q: Is CVE-2019-10686 being exploited?

CVE-2019-10686 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-10686 affect?

CVE-2019-10686 affects apollo. Severity is critical (CVSS 10.0). An SSRF vulnerability was found in an API from Ctrip Apollo through 1.4.0-SNAPSHOT. An attacker may use it to do an intranet port scan or raise a GET request via /system-info/health because the %23 substring is mishandled.

Q: How urgent is CVE-2019-10686?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 10.0REMOTEUPGRADE

CVE-2019-10686 is a critical-severity flaw (CVSS 10.0) affecting apollo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An SSRF vulnerability was found in an API from Ctrip Apollo through 1.4.0-SNAPSHOT. An attacker may use it to do an intranet port scan or raise a GET request via /system-info/health because the %23 substring is mishandled.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-918
Published	2019-04-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ctrip

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-04-01 17:29 UTCPublished CVE record published
2026-06-17 02:11 UTCUpdated Record last modified

ctrip apollo UPGRADE

Affected: <= 1.3.0

Fixed in: newer than 1.3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy apollo || rpm -q apollo || apollo --version

2. UPGRADE to newer than 1.3.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade apollo

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade apollo

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-10686?

apollo: upgrade to newer than 1.3.0. Exact commands for each OS are on this page.

Is CVE-2019-10686 being exploited?

CVE-2019-10686 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-10686 affect?

CVE-2019-10686 affects apollo. Severity is critical (CVSS 10.0). An SSRF vulnerability was found in an API from Ctrip Apollo through 1.4.0-SNAPSHOT. An attacker may use it to do an intranet port scan or raise a GET request via /system-info/health because the %23 substring is mishandled.

How urgent is CVE-2019-10686?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-43397 MEDIUM 4.3 UPGRADE Apollo is a configuration management system
CVE-2024-42662 HIGH 7.5 DOWNGRADE An issue in apollocongif apollo v.2.2.0 allows a remote attacker to obtain sensitive information via a crafted
CVE-2023-25570 HIGH 7.5 UPGRADE Apollo is a configuration management system
CVE-2023-25569 MEDIUM 5.7 UPGRADE Apollo is a configuration management system
CVE-2022-4962 MEDIUM 4.3 DOWNGRADE A vulnerability was found in Apollo 2.0.0/2.0.1 and classified as problematic

References

← Back to latest CVEs