CVE-2026-101277Medium· 6.5▾ TwilightPoC availableA security flaw has been discovered in Trusted Domain Project OpenDKIM up to 2.11.0. The impacted element is the function dkim_process_set of the file dkim.c of the component Tag Tokenizer. Performing a manipulation results in use of les…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 35.8 · likelihood 0 · exploitation 12
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 29.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Exploit / PoC code exists
A security flaw has been discovered in Trusted Domain Project OpenDKIM up to 2.11.0. The impacted element is the function dkim_process_set of the file dkim.c of the component Tag Tokenizer. Performing a manipulation results in use of less trusted source. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-100888High· 7.3A weakness has been identified in Trusted Domain Project OpenDKIM up to 2.11.0
CVE-2026-100889High· 7.3A vulnerability was detected in Trusted Domain Project OpenDKIM up to 2.11.0
CVE-2026-101281High· 7.3A flaw has been found in Trusted Domain Project OpenDMARC up to 1.4.2
CVE-2026-101280High· 7.3A vulnerability was detected in Trusted Domain Project OpenDMARC up to 1.4.2
CVE-2026-101279Medium· 6.5A security vulnerability has been detected in Trusted Domain Project OpenDMARC up to 1.4.2
CVE-2026-101278Medium· 4.3A weakness has been identified in Trusted Domain Project OpenDMARC up to 1.4.2