CVE-2016-9177

mediumpriority · track · 42EPSS 0.051 · 92 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

5.07% (92nd) EPSS

CVSS 5 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

Directory traversal vulnerability in Spark 2.5 allows remote attackers to read arbitrary files via a .. (dot dot) in the URI.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.07.1highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USprimaryCWE-22US

exploits (1)

Public proof-of-concept and weaponised exploit code.

shoucheng3/perwendel__spark_CVE-2016-9177_2-5-1shoucheng3/perwendel__spark_CVE-2016-9177_2-5-1PoC · poc_in_github

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
sparkjava spark≤ 2.5nvdUScpe:2.3:a:sparkjava:spark:*:*:*:*:*:*:*:*
Maven com.sparkjava:spark-core< 2.5.2osvUSpkg:maven/com.sparkjava/spark-core

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-89gc-6cw6-4vchSpark allows remote attackers to read arbitrary files via a .. (dot dot) in the URI2018-10-04ghsa · osvUS
Directory traversal vulnerability in Spark 2.5 allows remote attackers to read arbitrary files via a .. (dot dot) in the URI.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2016-11-04modified 2026-06-17

related (12,544)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-104286US	—OT critical	4.57% (92nd)	KEV	2026-10-01
An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail…
CVE-2026-93616US	—OT critical	91.6% (100th)	KEV	2026-09-22
A directory traversal and file upload vulnerability allows an unauthenticated attacker to upload and execute arbitrary scripts on Check Point Management Server.
CVE-2026-85706US	—OT critical	97.4% (100th)	KEV	2026-09-12
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.7 before 18.11.12, 19.0 before 19.0.9, 19.1 before 19.1.8, 19.2 before 19.2.6, and 19.3 before 19.3.2…
CVE-2026-66384US	—OT critical	0.66% (52nd)	KEV	2026-08-12
An authenticated user may write data outside the intended Docker cache path under specific remote-repository conditions.
CVE-2026-59310US	—OT critical	2.56% (85th)	KEV	2026-07-30
VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code.

+12539 more

references (9)

External citations — patches, advisories, analysis.

http://seclists.org/fulldisclosure/2016/Nov/13 cnnvd
http://seclists.org/fulldisclosure/2016/Nov/13 enisa_euvd
http://www.securityfocus.com/bid/94218 enisa_euvd
https://access.redhat.com/errata/RHSA-2017:0868 enisa_euvd
https://github.com/perwendel/spark/issues/700 enisa_euvd
http://seclists.org/fulldisclosure/2016/Nov/13ExploitMailing ListThird Party Advisorynvd
http://www.securityfocus.com/bid/94218Third Party AdvisoryVDB Entrynvd
https://access.redhat.com/errata/RHSA-2017:0868 nvd

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