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CVE-2018-1000861

Critical · CVSS 9.8EPSS 98.3%CISA KEVCWE-502 · Deserialization of Untrusted Data

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in stapler/core/src/main/java/org/kohsuke/stapler/MetaClass.java that allows attackers to invoke some methods on Java objects by accessing crafted URLs that were not intended to be invoked this way.

Published

Community ground truth

Community verdict

2 verdicts
Not a real issue

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Community real-world severity: Critical (Critical 2) — CVSS base score 9.8

In line with its CVSS base score.

Field notes & remediation

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  • 0
    Field note · Diego RamírezCurated

    Confirmed exploited in the wild — listed in the CISA KEV catalog (added 2022-02-10). Treat as real and prioritize patching over triage.

Same weaknessCWE-502 · Deserialization of Untrusted Data.