CVE-2026-118991

HIGHPre-NVD 7.57.5
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

This high-severity CVE scores 7.5 under CISA-ADP (Vulnrichment) CVSS v3.1 (NVD's own analysis pending). EPSS exploit probability: 0.2% (10th percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from CISA-ADP (Vulnrichment) CVSS v3.1
Sources: CISA-ADP (Vulnrichment) CVSS v3.1, EPSS

Also known asEUVD-2026-113919 (ENISA EUVD) · GHSA-8xrx-f9pw-qp4w (GitHub Security Advisories)Source: ENISA EUVD

7.5EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 7.5Exploit: None knownExposed services: Not assessed

Upgrade to CallBackery 0.62.0 or later (from the CVE record's solution, CPAN Security Group) — apply it.

CallBackery versions before 0.62.0 for Perl encrypt configuration backups with the padded password as the AES key.

getCrypt() pads the backup password with "x" characters and cuts it to 32 bytes to form the AES key, with no salt and no key derivation. The first block of a backup holds a 16 hex digit length field, so decrypting one block confirms a password guess at raw AES speed.

An attacker who obtains a backup can recover its password by fast offline guessing, and with it every credential the backup holds.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
49
EG Risk 49/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity75% × 45%
Impact severity (EG Severity): CVSS 7.5 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.1% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Attend at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: Upgrade to CallBackery 0.62.0 or later (from the CVE record's solution, CPAN Security Group). Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.2%
EPSS %ILE
10th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (7.5): severity, escalated by confirmed exploitation. This CVE's 7.5 is its impact severity (EG Severity), not escalated.

EG Severity
7.5 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.CISA-ADP (Vulnrichment) CVSS v3.1 · CVSS v3.1
EG Likelihood
0.2% within 30 daysSource: FIRST EPSS. FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at low or medium mission impact; Attend at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; 60 days if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Attend at high (mission-essential systems).

Upgrade to CallBackery 0.62.0 or later (from the CVE record's solution, CPAN Security Group). Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; 60 days if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable yes (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

October 30, 2026

Last Modified

November 6, 2026

Advisory Details (1)

Auto-updated Nov 6, 2026
Fix named in the CVE record's solution (CPAN Security Group).

Vendor Advisories for CVE-2026-118991(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 19× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed its CVE.org record (CNA or CISA ADP). An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). "EchelonGraph re-scored" is our own recompute of this CVE's score, not an update from a source, and is not counted in the refreshes above. Most recent first.

  1. 2026-11-12 16:33 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  2. 2026-11-11 16:38 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  3. 2026-11-10 16:42 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  4. 2026-11-09 16:34 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  5. 2026-11-08 16:38 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  6. 2026-11-07 16:38 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  7. 2026-11-06 17:28 UTCGHSA enrichmentGHSA-8xrx-f9pw-qp4w
  8. 2026-11-06 16:58 UTCEchelonGraph re-scoredFirst assessed: 7.5 HIGH
  9. 2026-11-06 16:58 UTCGHSA enrichmentGHSA-8xrx-f9pw-qp4w
  10. 2026-11-06 16:57 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  11. 2026-11-06 16:36 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  12. 2026-11-05 16:36 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  13. 2026-11-04 16:34 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  14. 2026-11-03 16:46 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  15. 2026-11-01 16:33 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  16. 2026-10-31 16:32 UTCEPSS rescoreEPSS 0.1% · 1st percentile
  17. 2026-10-30 17:27 UTCGHSA enrichmentGHSA-8xrx-f9pw-qp4w
  18. 2026-10-30 15:02 UTCENISA EUVD ID recordedEUVD-2026-113919 · Source: ENISA EUVD
  19. 2026-10-30 13:27 UTCNVD update
  20. 2026-10-30 13:15 UTCEchelonGraph re-scored
  21. 2026-10-30 13:15 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-118991?
CVE-2026-118991 is a high-severity vulnerability; its CVE record was published on October 30, 2026. CallBackery versions before 0.62.0 for Perl encrypt configuration backups with the padded password as the AES key. getCrypt() pads the backup password with "x" characters and cuts it to 32 bytes to form the AES key, with no salt and no key derivation. The first block of a backup holds a 16 hex…
When was the CVE record for CVE-2026-118991 published?
The CVE record for CVE-2026-118991 was published on October 30, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of November 6, 2026; the record at its source may have been updated since.
Is CVE-2026-118991 actively exploited?
CVE-2026-118991 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (10th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-118991?
CVE-2026-118991 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-118991?
The CVE record's solution for CVE-2026-118991, written by its CNA CPAN Security Group, names the fix: "Upgrade to CallBackery 0.62.0 or later." The vendor advisories EchelonGraph has for CVE-2026-118991 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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