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CVE-2026-23836

HotCRP is conference review software. A problem introduced in April 2024 in version 3.1 led to inadequately sanitized code generation for HotCRP formulas which allowed users to trigger the execution of arbitrary PHP code. The problem is patched in release version 3.2.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:fe2db84d0d1c995e403f4364af087e6b116e510ec79874d872507e699fd76bc7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"hotcrp","vendor":"kohler","versions":[{"status":"affected","version":"= 3.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3e28cfb7834d9cee0955cd099988a222ae64557baa88ae1563532d26e35a3bd5 · sha256:a34b132f7c522e22… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3e28cfb7834d9cee0955cd099988a222ae64557baa88ae1563532d26e35a3bd5 · sha256:a34b132f7c522e22… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3e28cfb7834d9cee0955cd099988a222ae64557baa88ae1563532d26e35a3bd5 · sha256:a34b132f7c522e22… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/kohler/hotcrp/commit/4674fcfbb76511072a1145dad620756fc1d4b4e9","tags":["x_refsource_MISC"],"url":"https://github.com/kohler/hotcrp/commit/4674fcfbb76511072a1145dad620756fc1d4b4e9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3e28cfb7834d9cee0955cd099988a222ae64557baa88ae1563532d26e35a3bd5 · sha256:a34b132f7c522e22… · /containers/cna/references/1
{"name":"https://github.com/kohler/hotcrp/commit/bfc7e0db15df6ed6d544a639020d2ce05a5f0834","tags":["x_refsource_MISC"],"url":"https://github.com/kohler/hotcrp/commit/bfc7e0db15df6ed6d544a639020d2ce05a5f0834"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3e28cfb7834d9cee0955cd099988a222ae64557baa88ae1563532d26e35a3bd5 · sha256:a34b132f7c522e22… · /containers/cna/references/2
{"name":"https://github.com/kohler/hotcrp/security/advisories/GHSA-hpqh-j6qx-x57h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/kohler/hotcrp/security/advisories/GHSA-hpqh-j6qx-x57h"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3e28cfb7834d9cee0955cd099988a222ae64557baa88ae1563532d26e35a3bd5 · sha256:a34b132f7c522e22… · /containers/cna/references/0

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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