CVE Explorer
CVE-2026-2451
Emails sent by pretix can utilize placeholders that will be filled with customer data. For example, when {name}
is used in an email template, it will be replaced with the buyer's
name for the final email. This mechanism contained a security-relevant bug:
It was possible to exfiltrate information about the pretix system through specially crafted placeholder names such as {{event.__init__.__code__.co_filename}}.
This way, an attacker with the ability to control email templates
(usually every
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"collectionURL":"https://marketplace.pretix.eu/","defaultStatus":"unaffected","packageName":"pretix-doistep","product":"pretix-doistep","vendor":"pretix","versions":[{"lessThan":"1.3.2","status":"affected","version":"1.0.0","versionType":"python"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:82aaba38266370e3ddebb928235b5cce1daec4a1318cdfd1e36e30ab69c2e435 · sha256:13a651e3674c26a1… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.5,"baseSeverity":"HIGH","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"LOW","providerUrgency":"RED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/RE:L/U:Red","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidential…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:82aaba38266370e3ddebb928235b5cce1daec4a1318cdfd1e36e30ab69c2e435 · sha256:13a651e3674c26a1… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-627","description":"CWE-627 Dynamic Variable Evaluation","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:82aaba38266370e3ddebb928235b5cce1daec4a1318cdfd1e36e30ab69c2e435 · sha256:13a651e3674c26a1… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"tags":["vendor-advisory"],"url":"https://pretix.eu/about/en/blog/20260216-release-2026-1-1/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:82aaba38266370e3ddebb928235b5cce1daec4a1318cdfd1e36e30ab69c2e435 · sha256:13a651e3674c26a1… · /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.