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CVE-2026-2709

A flaw has been found in busy up to 2.5.5. The affected element is an unknown function of the file source-code/busy-master/src/server/app.js of the component Callback Handler. Executing a manipulation of the argument state can lead to open redirect. It is possible to launch the attack remotely. The exploit has been published and may be used. 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:v2:14a1352aa4d5d107a523c935233ccd1d47bd8fdc89467e287fb316851e93e87f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 5 assertions

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

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/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:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":3.5,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.5,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/adp/0/metrics/0/cvssV3_1

{"metric":{"baseScore":3.5,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"modules":["Callback Handler"],"product":"busy","vendor":"n/a","versions":[{"status":"affected","version":"2.5.0"},{"status":"affected","version":"2.5.1"},{"status":"affected","version":"2.5.2"},{"status":"affected","version":"2.5.3"},{"status":"affected","version":"2.5.4"},{"status":"affected","version":"2.5.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/affected/0

Provider-owned CVSS observations

5 source assertions
{"metric":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/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:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":3.5,"baseSeverity":"LOW","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.5,"baseSeverity":"LOW","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/adp/0/metrics/0/cvssV3_1
{"metric":{"baseScore":3.5,"baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-601","description":"Open Redirect","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["issue-tracking"],"url":"https://github.com/busyorg/busy/issues/2287"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/references/3
{"tags":["exploit","issue-tracking"],"url":"https://github.com/busyorg/busy/issues/2287#issue-3905518966"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/references/4
{"name":"VDB-346661 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.346661"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/references/1
{"name":"VDB-346661 | busy Callback app.js redirect","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.346661"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /containers/cna/references/0
{"name":"Submit #753299 | busyorg busy <=2.5.5 Open Redirect","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.753299"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0d4b3da08a7597305359459d1b06e737734ecbe2374ee76c0824d7ea9f0610a8 · sha256:7896a35f94b278a9… · /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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