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CVE-2026-2861

A vulnerability was detected in Foswiki up to 2.1.10. The affected element is an unknown function of the component Changes/Viewfile/Oops. The manipulation results in information disclosure. It is possible to launch the attack remotely. The exploit is now public and may be used. Upgrading to version 2.1.11 is sufficient to fix this issue. The patch is identified as 31aeecb58b64/d8ed86b10e46. Upgrading the affected component is recommended.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d45326a72b232a0bab1069d2dc8234889f610fa5b61f8a482ac8e10ec5eccb92
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":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/metrics/2/cvssV3_0
cwe · 2 assertions

{"cweId":"CWE-284","description":"Improper Access Controls","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-200","description":"Information Disclosure","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"modules":["Changes/Viewfile/Oops"],"product":"Foswiki","vendor":"n/a","versions":[{"status":"affected","version":"2.1.0"},{"status":"affected","version":"2.1.1"},{"status":"affected","version":"2.1.2"},{"status":"affected","version":"2.1.3"},{"status":"affected","version":"2.1.4"},{"status":"affected","version":"2.1.5"},{"status":"affected","version":"2.1.6"},{"status":"affected","version":"2.1.7"},{"status":"affected","version":"2.1.8"},{"status":"affected","version":"2.1.9"},{"status":"affected","version":"2.1.10"},{"status":"unaffected","version":"2.1.11"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/metrics/2/cvssV3_0

CWE assertions

2 source assertions
{"cweId":"CWE-284","description":"Improper Access Controls","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-200","description":"Information Disclosure","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/problemTypes/0/descriptions/0

Source references

9 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/03/15/1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/adp/1/references/0
{"url":"http://www.openwall.com/lists/oss-security/2026/03/16/1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/adp/1/references/1
{"url":"http://www.openwall.com/lists/oss-security/2026/03/16/3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/adp/1/references/2
{"tags":["related"],"url":"https://foswiki.org/Tasks/Item15600"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/references/3
{"tags":["related"],"url":"https://foswiki.org/Tasks/Item15601"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/references/4
{"tags":["patch"],"url":"https://github.com/foswiki/distro/commit/31aeecb58b64"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/references/5
{"name":"VDB-347101 | CTI Indicators (IOB, IOC, TTP)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.347101"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/references/1
{"name":"VDB-347101 | Foswiki Changes/Viewfile/Oops information disclosure","tags":["vdb-entry"],"url":"https://vuldb.com/?id.347101"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/references/0
{"name":"Submit #753966 | Foswiki 2.1.10 and before Information Disclosure","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.753966"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fe2a77719e96e2010659996e7db01e0b6cf3db222787dc7f383e57e0130a57de · sha256:710676f4d65bd514… · /containers/cna/references/2

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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