How severe is CVE-2019-10686?

CVE-2019-10686 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-10686 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-10686?

CVE-2019-10686 affects Ctrip Apollo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-10686?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-10686 published?

CVE-2019-10686 was published on 2019-04-01 and last updated on 2026-06-17.

CVE-2019-10686

CVE-2019-10686 is a critical-severity vulnerability in Ctrip Apollo with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v2: 7.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Ctrip Apollo
Published: 2019-04-01
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2019-10686?: 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 severe is CVE-2019-10686?: CVE-2019-10686 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-10686 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-10686?: CVE-2019-10686 affects Ctrip Apollo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-10686?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-10686 published?: CVE-2019-10686 was published on 2019-04-01 and last updated on 2026-06-17.

References

https://github.com/ctripcorp/apollo/issues/2103

Affected products (1)

cpe:2.3:a:ctrip:apollo:*:*:*:*:*:*:*:*

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