CVE-2025-70887: signify · CVE-2025-70887 is a high-severity
Affects signifySource CVE Database V5
Not known to be exploited · CVSS 8.8 High : upgrade to 0.9.2 soon.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 0.9.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 25 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade ralphje/signify to 0.9.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubralphje/signifypkg:github/ralphje/signifyOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, restrict network access to the affected components and monitor for suspicious activity related to privilege escalation attempts. Avoid deploying vulnerable versions in production environments if possible.
Description
CVE-2025-70887 is a high-severity vulnerability in ralphje Signify before version 0.9.2 that allows a remote attacker to escalate privileges via the signed_data.py and context.py components. The vulnerability has a CVSS score of 8.8, indicating a critical impact on confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
References
- github.com/ralphje/signify/issues/60 (opens in a new tab)
- github.com/ralphje/signify/commit/64f21c0cc06cea0536370686ca3ba7a01e4adaa8 (opens in a new tab)
- github.com/mtrojnar/osslsigncode/issues/475 (opens in a new tab)
- github.com/mtrojnar/osslsigncode/pull/477 (opens in a new tab)
- github.com/mtrojnar/osslsigncode/releases/tag/2.11 (opens in a new tab)