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CVE-2026-17459

A vulnerability was determined in perwendel spark up to 2.9.4. This vulnerability affects the function staticFiles.externalLocation of the file src/main/java/spark/resource/ExternalResourceHandler.jav of the component SparkJava. Executing a manipulation can lead to symlink following. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ad7ecdacdeba8cdafd1562f751b426e0aa16e3812a93f99c906f8188a495b0d9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

{"cweId":"CWE-59","description":"Link Following","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-61","description":"Symlink Following","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:perwendel:spark:*:*:*:*:*:*:*:*"],"modules":["SparkJava"],"product":"spark","vendor":"perwendel","versions":[{"status":"affected","version":"2.9.0"},{"status":"affected","version":"2.9.1"},{"status":"affected","version":"2.9.2"},{"status":"affected","version":"2.9.3"},{"status":"affected","version":"2.9.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/metrics/2/cvssV3_0

CWE assertions

2 source assertions
{"cweId":"CWE-59","description":"Link Following","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-61","description":"Symlink Following","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"tags":["product"],"url":"https://github.com/perwendel/spark/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/references/5
{"tags":["exploit","issue-tracking"],"url":"https://github.com/perwendel/spark/issues/1296"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/references/4
{"name":"CVE-2026-17459 | CVE Analysis and Report","tags":["third-party-advisory"],"url":"https://vuldb.com/cve/CVE-2026-17459"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/references/2
{"name":"Submit #862468 | GitHub spark V 2.9.4 SparkJava External Static Files Symlink Escape Allows Local File","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/862468"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/references/3
{"name":"VDB-383321 | perwendel spark SparkJava ExternalResourceHandler.jav staticFiles.externalLocation symlink","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/383321"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/references/0
{"name":"VDB-383321 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/383321/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:03f2fbd2b36c90605e158a1130013bdd5cc3e6c43e2b01fa82b7bc768d3205ea · sha256:aaa30bad4ac23c0f… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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